64505985

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1637}}^1$

素因数の和:1753

約数の個数: 32

約数和(自身を含む): 107557632

約数和(自身を除く): 43051647

約数列:

[1, 3, 5, 15, 37, 71, 111, 185, 213, 355, 555, 1065, 1637, 2627, 4911, 7881, 8185, 13135, 24555, 39405, 60569, 116227, 181707, 302845, 348681, 581135, 908535, 1743405, 4300399, 12901197, 21501995, 64505985]

約数ペア:

[(1, 64505985), (3, 21501995), (5, 12901197), (15, 4300399), (37, 1743405), (71, 908535), (111, 581135), (185, 348681), (213, 302845), (355, 181707), (555, 116227), (1065, 60569), (1637, 39405), (2627, 24555), (4911, 13135), (7881, 8185)]