67397985

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 121712448

約数和(自身を除く): 54314463

約数列:

[1, 3, 5, 9, 15, 43, 45, 61, 129, 183, 215, 305, 387, 549, 571, 645, 915, 1713, 1935, 2623, 2745, 2855, 5139, 7869, 8565, 13115, 23607, 24553, 25695, 34831, 39345, 73659, 104493, 118035, 122765, 174155, 220977, 313479, 368295, 522465, 1104885, 1497733, 1567395, 4493199, 7488665, 13479597, 22465995, 67397985]

約数ペア:

[(1, 67397985), (3, 22465995), (5, 13479597), (9, 7488665), (15, 4493199), (43, 1567395), (45, 1497733), (61, 1104885), (129, 522465), (183, 368295), (215, 313479), (305, 220977), (387, 174155), (549, 122765), (571, 118035), (645, 104493), (915, 73659), (1713, 39345), (1935, 34831), (2623, 25695), (2745, 24553), (2855, 23607), (5139, 13115), (7869, 8565)]