64742013

素因数分解:

$3^2\times 7^1\times {\mathrm{607}}^1\times {\mathrm{1693}}^1$

素因数の和:2313

約数の個数: 24

約数和(自身を含む): 107115008

約数和(自身を除く): 42372995

約数列:

[1, 3, 7, 9, 21, 63, 607, 1693, 1821, 4249, 5079, 5463, 11851, 12747, 15237, 35553, 38241, 106659, 1027651, 3082953, 7193557, 9248859, 21580671, 64742013]

約数ペア:

[(1, 64742013), (3, 21580671), (7, 9248859), (9, 7193557), (21, 3082953), (63, 1027651), (607, 106659), (1693, 38241), (1821, 35553), (4249, 15237), (5079, 12747), (5463, 11851)]