81099018

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:689

約数の個数: 144

約数和(自身を含む): 240510816

約数和(自身を除く): 159411798

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 33, 39, 42, 49, 63, 66, 77, 78, 91, 98, 99, 117, 126, 143, 147, 154, 182, 198, 231, 234, 273, 286, 294, 429, 441, 462, 539, 546, 637, 643, 693, 819, 858, 882, 1001, 1078, 1274, 1286, 1287, 1386, 1617, 1638, 1911, 1929, 2002, 2574, 3003, 3234, 3822, 3858, 4501, 4851, 5733, 5787, 6006, 7007, 7073, 8359, 9002, 9009, 9702, 11466, 11574, 13503, 14014, 14146, 16718, 18018, 21021, 21219, 25077, 27006, 31507, 40509, 42042, 42438, 49511, 50154, 58513, 63014, 63063, 63657, 75231, 81018, 91949, 94521, 99022, 117026, 126126, 127314, 148533, 150462, 175539, 183898, 189042, 275847, 283563, 297066, 346577, 351078, 409591, 445599, 526617, 551694, 567126, 643643, 693154, 819182, 827541, 891198, 1039731, 1053234, 1228773, 1287286, 1655082, 1930929, 2079462, 2457546, 3119193, 3686319, 3861858, 4505501, 5792787, 6238386, 7372638, 9011002, 11585574, 13516503, 27033006, 40549509, 81099018]

約数ペア:

[(1, 81099018), (2, 40549509), (3, 27033006), (6, 13516503), (7, 11585574), (9, 9011002), (11, 7372638), (13, 6238386), (14, 5792787), (18, 4505501), (21, 3861858), (22, 3686319), (26, 3119193), (33, 2457546), (39, 2079462), (42, 1930929), (49, 1655082), (63, 1287286), (66, 1228773), (77, 1053234), (78, 1039731), (91, 891198), (98, 827541), (99, 819182), (117, 693154), (126, 643643), (143, 567126), (147, 551694), (154, 526617), (182, 445599), (198, 409591), (231, 351078), (234, 346577), (273, 297066), (286, 283563), (294, 275847), (429, 189042), (441, 183898), (462, 175539), (539, 150462), (546, 148533), (637, 127314), (643, 126126), (693, 117026), (819, 99022), (858, 94521), (882, 91949), (1001, 81018), (1078, 75231), (1274, 63657), (1286, 63063), (1287, 63014), (1386, 58513), (1617, 50154), (1638, 49511), (1911, 42438), (1929, 42042), (2002, 40509), (2574, 31507), (3003, 27006), (3234, 25077), (3822, 21219), (3858, 21021), (4501, 18018), (4851, 16718), (5733, 14146), (5787, 14014), (6006, 13503), (7007, 11574), (7073, 11466), (8359, 9702), (9002, 9009)]