64812705

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3203}}^1$

素因数の和:3301

約数の個数: 32

約数和(自身を含む): 110730240

約数和(自身を除く): 45917535

約数列:

[1, 3, 5, 15, 19, 57, 71, 95, 213, 285, 355, 1065, 1349, 3203, 4047, 6745, 9609, 16015, 20235, 48045, 60857, 182571, 227413, 304285, 682239, 912855, 1137065, 3411195, 4320847, 12962541, 21604235, 64812705]

約数ペア:

[(1, 64812705), (3, 21604235), (5, 12962541), (15, 4320847), (19, 3411195), (57, 1137065), (71, 912855), (95, 682239), (213, 304285), (285, 227413), (355, 182571), (1065, 60857), (1349, 48045), (3203, 20235), (4047, 16015), (6745, 9609)]