67210521

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{311}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 105670656

約数和(自身を除く): 38460135

約数列:

[1, 3, 7, 21, 41, 123, 251, 287, 311, 753, 861, 933, 1757, 2177, 5271, 6531, 10291, 12751, 30873, 38253, 72037, 78061, 89257, 216111, 234183, 267771, 546427, 1639281, 3200501, 9601503, 22403507, 67210521]

約数ペア:

[(1, 67210521), (3, 22403507), (7, 9601503), (21, 3200501), (41, 1639281), (123, 546427), (251, 267771), (287, 234183), (311, 216111), (753, 89257), (861, 78061), (933, 72037), (1757, 38253), (2177, 30873), (5271, 12751), (6531, 10291)]