18153855

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4637}}^1$

素因数の和:4680

約数の個数: 32

約数和(自身を含む): 33393600

約数和(自身を除く): 15239745

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 4637, 13911, 23185, 41733, 69555, 125199, 134473, 208665, 403419, 625995, 672365, 1210257, 2017095, 3630771, 6051285, 18153855]

約数ペア:

[(1, 18153855), (3, 6051285), (5, 3630771), (9, 2017095), (15, 1210257), (27, 672365), (29, 625995), (45, 403419), (87, 208665), (135, 134473), (145, 125199), (261, 69555), (435, 41733), (783, 23185), (1305, 13911), (3915, 4637)]