64869981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 96768000

約数和(自身を除く): 31898019

約数列:

[1, 3, 11, 33, 79, 149, 167, 237, 447, 501, 869, 1639, 1837, 2607, 4917, 5511, 11771, 13193, 24883, 35313, 39579, 74649, 129481, 145123, 273713, 388443, 435369, 821139, 1965757, 5897271, 21623327, 64869981]

約数ペア:

[(1, 64869981), (3, 21623327), (11, 5897271), (33, 1965757), (79, 821139), (149, 435369), (167, 388443), (237, 273713), (447, 145123), (501, 129481), (869, 74649), (1639, 39579), (1837, 35313), (2607, 24883), (4917, 13193), (5511, 11771)]