80315955

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3251}}^1$

素因数の和:3329

約数の個数: 40

約数和(自身を含む): 146379024

約数和(自身を除く): 66063069

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 305, 405, 549, 915, 1647, 2745, 3251, 4941, 8235, 9753, 16255, 24705, 29259, 48765, 87777, 146295, 198311, 263331, 438885, 594933, 991555, 1316655, 1784799, 2974665, 5354397, 8923995, 16063191, 26771985, 80315955]

約数ペア:

[(1, 80315955), (3, 26771985), (5, 16063191), (9, 8923995), (15, 5354397), (27, 2974665), (45, 1784799), (61, 1316655), (81, 991555), (135, 594933), (183, 438885), (305, 263331), (405, 198311), (549, 146295), (915, 87777), (1647, 48765), (2745, 29259), (3251, 24705), (4941, 16255), (8235, 9753)]