51225531

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 84268800

約数和(自身を除く): 33043269

約数列:

[1, 3, 7, 21, 23, 49, 69, 109, 139, 147, 161, 327, 417, 483, 763, 973, 1127, 2289, 2507, 2919, 3197, 3381, 5341, 6811, 7521, 9591, 15151, 16023, 17549, 20433, 22379, 45453, 52647, 67137, 106057, 122843, 156653, 318171, 348473, 368529, 469959, 742399, 1045419, 2227197, 2439311, 7317933, 17075177, 51225531]

約数ペア:

[(1, 51225531), (3, 17075177), (7, 7317933), (21, 2439311), (23, 2227197), (49, 1045419), (69, 742399), (109, 469959), (139, 368529), (147, 348473), (161, 318171), (327, 156653), (417, 122843), (483, 106057), (763, 67137), (973, 52647), (1127, 45453), (2289, 22379), (2507, 20433), (2919, 17549), (3197, 16023), (3381, 15151), (5341, 9591), (6811, 7521)]