31521285

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12289}}^1$

素因数の和:12322

約数の個数: 32

約数和(自身を含む): 58992000

約数和(自身を除く): 27470715

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 12289, 36867, 61445, 110601, 184335, 233491, 331803, 553005, 700473, 1167455, 1659015, 2101419, 3502365, 6304257, 10507095, 31521285]

約数ペア:

[(1, 31521285), (3, 10507095), (5, 6304257), (9, 3502365), (15, 2101419), (19, 1659015), (27, 1167455), (45, 700473), (57, 553005), (95, 331803), (135, 233491), (171, 184335), (285, 110601), (513, 61445), (855, 36867), (2565, 12289)]