15687405

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4007}}^1$

素因数の和:4050

約数の個数: 32

約数和(自身を含む): 28857600

約数和(自身を除く): 13170195

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 4007, 12021, 20035, 36063, 60105, 108189, 116203, 180315, 348609, 540945, 581015, 1045827, 1743045, 3137481, 5229135, 15687405]

約数ペア:

[(1, 15687405), (3, 5229135), (5, 3137481), (9, 1743045), (15, 1045827), (27, 581015), (29, 540945), (45, 348609), (87, 180315), (135, 116203), (145, 108189), (261, 60105), (435, 36063), (783, 20035), (1305, 12021), (3915, 4007)]