71261715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21893}}^1$

素因数の和:21939

約数の個数: 32

約数和(自身を含む): 134516736

約数和(自身を除く): 63255021

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 21893, 65679, 109465, 153251, 328395, 459753, 678683, 766255, 2036049, 2298765, 3393415, 4750781, 10180245, 14252343, 23753905, 71261715]

約数ペア:

[(1, 71261715), (3, 23753905), (5, 14252343), (7, 10180245), (15, 4750781), (21, 3393415), (31, 2298765), (35, 2036049), (93, 766255), (105, 678683), (155, 459753), (217, 328395), (465, 153251), (651, 109465), (1085, 65679), (3255, 21893)]