207790251

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1\times {\mathrm{263}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 298045440

約数和(自身を除く): 90255189

約数列:

[1, 3, 19, 57, 83, 167, 249, 263, 501, 789, 1577, 3173, 4731, 4997, 9519, 13861, 14991, 21829, 41583, 43921, 65487, 131763, 263359, 414751, 790077, 834499, 1244253, 2503497, 3645443, 10936329, 69263417, 207790251]

約数ペア:

[(1, 207790251), (3, 69263417), (19, 10936329), (57, 3645443), (83, 2503497), (167, 1244253), (249, 834499), (263, 790077), (501, 414751), (789, 263359), (1577, 131763), (3173, 65487), (4731, 43921), (4997, 41583), (9519, 21829), (13861, 14991)]