3857945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 5832960

約数和(自身を除く): 1975015

約数列:

[1, 5, 7, 13, 35, 61, 65, 91, 139, 305, 427, 455, 695, 793, 973, 1807, 2135, 3965, 4865, 5551, 8479, 9035, 12649, 27755, 42395, 59353, 63245, 110227, 296765, 551135, 771589, 3857945]

約数ペア:

[(1, 3857945), (5, 771589), (7, 551135), (13, 296765), (35, 110227), (61, 63245), (65, 59353), (91, 42395), (139, 27755), (305, 12649), (427, 9035), (455, 8479), (695, 5551), (793, 4865), (973, 3965), (1807, 2135)]