64068225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2857}}^1$

素因数の和:2906

約数の個数: 48

約数和(自身を含む): 119075712

約数和(自身を除く): 55007487

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 195, 299, 325, 345, 575, 897, 975, 1495, 1725, 2857, 4485, 7475, 8571, 14285, 22425, 37141, 42855, 65711, 71425, 111423, 185705, 197133, 214275, 328555, 557115, 854243, 928525, 985665, 1642775, 2562729, 2785575, 4271215, 4928325, 12813645, 21356075, 64068225]

約数ペア:

[(1, 64068225), (3, 21356075), (5, 12813645), (13, 4928325), (15, 4271215), (23, 2785575), (25, 2562729), (39, 1642775), (65, 985665), (69, 928525), (75, 854243), (115, 557115), (195, 328555), (299, 214275), (325, 197133), (345, 185705), (575, 111423), (897, 71425), (975, 65711), (1495, 42855), (1725, 37141), (2857, 22425), (4485, 14285), (7475, 8571)]