31608405

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 57872880

約数和(自身を除く): 26264475

約数列:

[1, 3, 5, 9, 15, 29, 45, 53, 87, 145, 159, 261, 265, 435, 457, 477, 795, 1305, 1371, 1537, 2285, 2385, 4113, 4611, 6855, 7685, 13253, 13833, 20565, 23055, 24221, 39759, 66265, 69165, 72663, 119277, 121105, 198795, 217989, 363315, 596385, 702409, 1089945, 2107227, 3512045, 6321681, 10536135, 31608405]

約数ペア:

[(1, 31608405), (3, 10536135), (5, 6321681), (9, 3512045), (15, 2107227), (29, 1089945), (45, 702409), (53, 596385), (87, 363315), (145, 217989), (159, 198795), (261, 121105), (265, 119277), (435, 72663), (457, 69165), (477, 66265), (795, 39759), (1305, 24221), (1371, 23055), (1537, 20565), (2285, 13833), (2385, 13253), (4113, 7685), (4611, 6855)]