72381075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1217}}^1$

素因数の和:1304

約数の個数: 48

約数和(自身を含む): 131095776

約数和(自身を除く): 58714701

約数列:

[1, 3, 5, 13, 15, 25, 39, 61, 65, 75, 183, 195, 305, 325, 793, 915, 975, 1217, 1525, 2379, 3651, 3965, 4575, 6085, 11895, 15821, 18255, 19825, 30425, 47463, 59475, 74237, 79105, 91275, 222711, 237315, 371185, 395525, 965081, 1113555, 1186575, 1855925, 2895243, 4825405, 5567775, 14476215, 24127025, 72381075]

約数ペア:

[(1, 72381075), (3, 24127025), (5, 14476215), (13, 5567775), (15, 4825405), (25, 2895243), (39, 1855925), (61, 1186575), (65, 1113555), (75, 965081), (183, 395525), (195, 371185), (305, 237315), (325, 222711), (793, 91275), (915, 79105), (975, 74237), (1217, 59475), (1525, 47463), (2379, 30425), (3651, 19825), (3965, 18255), (4575, 15821), (6085, 11895)]