68012865

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2753}}^1$

素因数の和:2831

約数の個数: 40

約数和(自身を含む): 123963048

約数和(自身を除く): 55950183

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 305, 405, 549, 915, 1647, 2745, 2753, 4941, 8235, 8259, 13765, 24705, 24777, 41295, 74331, 123885, 167933, 222993, 371655, 503799, 839665, 1114965, 1511397, 2518995, 4534191, 7556985, 13602573, 22670955, 68012865]

約数ペア:

[(1, 68012865), (3, 22670955), (5, 13602573), (9, 7556985), (15, 4534191), (27, 2518995), (45, 1511397), (61, 1114965), (81, 839665), (135, 503799), (183, 371655), (305, 222993), (405, 167933), (549, 123885), (915, 74331), (1647, 41295), (2745, 24777), (2753, 24705), (4941, 13765), (8235, 8259)]