81477738

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:393

約数の個数: 80

約数和(自身を含む): 194800320

約数和(自身を除く): 113322582

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 103, 114, 162, 171, 206, 257, 309, 342, 513, 514, 618, 771, 927, 1026, 1539, 1542, 1854, 1957, 2313, 2781, 3078, 3914, 4626, 4883, 5562, 5871, 6939, 8343, 9766, 11742, 13878, 14649, 16686, 17613, 20817, 26471, 29298, 35226, 41634, 43947, 52839, 52942, 79413, 87894, 105678, 131841, 158517, 158826, 238239, 263682, 317034, 395523, 476478, 502949, 714717, 791046, 1005898, 1429434, 1508847, 2144151, 3017694, 4288302, 4526541, 9053082, 13579623, 27159246, 40738869, 81477738]

約数ペア:

[(1, 81477738), (2, 40738869), (3, 27159246), (6, 13579623), (9, 9053082), (18, 4526541), (19, 4288302), (27, 3017694), (38, 2144151), (54, 1508847), (57, 1429434), (81, 1005898), (103, 791046), (114, 714717), (162, 502949), (171, 476478), (206, 395523), (257, 317034), (309, 263682), (342, 238239), (513, 158826), (514, 158517), (618, 131841), (771, 105678), (927, 87894), (1026, 79413), (1539, 52942), (1542, 52839), (1854, 43947), (1957, 41634), (2313, 35226), (2781, 29298), (3078, 26471), (3914, 20817), (4626, 17613), (4883, 16686), (5562, 14649), (5871, 13878), (6939, 11742), (8343, 9766)]