16018875

素因数分解:

$3^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:541

約数の個数: 48

約数和(自身を含む): 29933280

約数和(自身を除く): 13914405

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 125, 145, 225, 261, 375, 435, 491, 725, 1125, 1305, 1473, 2175, 2455, 3625, 4419, 6525, 7365, 10875, 12275, 14239, 22095, 32625, 36825, 42717, 61375, 71195, 110475, 128151, 184125, 213585, 355975, 552375, 640755, 1067925, 1779875, 3203775, 5339625, 16018875]

約数ペア:

[(1, 16018875), (3, 5339625), (5, 3203775), (9, 1779875), (15, 1067925), (25, 640755), (29, 552375), (45, 355975), (75, 213585), (87, 184125), (125, 128151), (145, 110475), (225, 71195), (261, 61375), (375, 42717), (435, 36825), (491, 32625), (725, 22095), (1125, 14239), (1305, 12275), (1473, 10875), (2175, 7365), (2455, 6525), (3625, 4419)]