20170207953

素因数分解:

$3^5\times 7^4\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:415

約数の個数: 120

約数和(自身を含む): 35627644416

約数和(自身を除く): 15457436463

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 181, 189, 191, 243, 343, 441, 543, 567, 573, 1029, 1267, 1323, 1337, 1629, 1701, 1719, 2401, 3087, 3801, 3969, 4011, 4887, 5157, 7203, 8869, 9261, 9359, 11403, 11907, 12033, 14661, 15471, 21609, 26607, 27783, 28077, 34209, 34571, 36099, 43983, 46413, 62083, 64827, 65513, 79821, 83349, 84231, 102627, 103713, 108297, 186249, 194481, 196539, 239463, 241997, 252693, 307881, 311139, 324891, 434581, 458591, 558747, 583443, 589617, 718389, 725991, 758079, 933417, 1303743, 1375773, 1676241, 1693979, 1768851, 2155167, 2177973, 2274237, 2800251, 3911229, 4127319, 5028723, 5081937, 5306553, 6533919, 8400753, 11733687, 11857853, 12381957, 15086169, 15245811, 15919659, 19601757, 35201061, 35573559, 37145871, 45737433, 58805271, 83004971, 105603183, 106720677, 111437613, 137212299, 249014913, 320162031, 411636897, 747044739, 960486093, 2241134217, 2881458279, 6723402651, 20170207953]

約数ペア:

[(1, 20170207953), (3, 6723402651), (7, 2881458279), (9, 2241134217), (21, 960486093), (27, 747044739), (49, 411636897), (63, 320162031), (81, 249014913), (147, 137212299), (181, 111437613), (189, 106720677), (191, 105603183), (243, 83004971), (343, 58805271), (441, 45737433), (543, 37145871), (567, 35573559), (573, 35201061), (1029, 19601757), (1267, 15919659), (1323, 15245811), (1337, 15086169), (1629, 12381957), (1701, 11857853), (1719, 11733687), (2401, 8400753), (3087, 6533919), (3801, 5306553), (3969, 5081937), (4011, 5028723), (4887, 4127319), (5157, 3911229), (7203, 2800251), (8869, 2274237), (9261, 2177973), (9359, 2155167), (11403, 1768851), (11907, 1693979), (12033, 1676241), (14661, 1375773), (15471, 1303743), (21609, 933417), (26607, 758079), (27783, 725991), (28077, 718389), (34209, 589617), (34571, 583443), (36099, 558747), (43983, 458591), (46413, 434581), (62083, 324891), (64827, 311139), (65513, 307881), (79821, 252693), (83349, 241997), (84231, 239463), (102627, 196539), (103713, 194481), (108297, 186249)]