260060385

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{21863}}^1$

素因数の和:21945

約数の個数: 32

約数和(自身を含む): 455470848

約数和(自身を除く): 195410463

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 2379, 3965, 11895, 21863, 65589, 109315, 284219, 327945, 852657, 1333643, 1421095, 4000929, 4263285, 6668215, 17337359, 20004645, 52012077, 86686795, 260060385]

約数ペア:

[(1, 260060385), (3, 86686795), (5, 52012077), (13, 20004645), (15, 17337359), (39, 6668215), (61, 4263285), (65, 4000929), (183, 1421095), (195, 1333643), (305, 852657), (793, 327945), (915, 284219), (2379, 109315), (3965, 65589), (11895, 21863)]