15651225

素因数分解:

$3^4\times 5^2\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 60

約数和(自身を含む): 29707920

約数和(自身を除く): 14056695

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 59, 75, 81, 131, 135, 177, 225, 295, 393, 405, 531, 655, 675, 885, 1179, 1475, 1593, 1965, 2025, 2655, 3275, 3537, 4425, 4779, 5895, 7729, 7965, 9825, 10611, 13275, 17685, 23187, 23895, 29475, 38645, 39825, 53055, 69561, 88425, 115935, 119475, 193225, 208683, 265275, 347805, 579675, 626049, 1043415, 1739025, 3130245, 5217075, 15651225]

約数ペア:

[(1, 15651225), (3, 5217075), (5, 3130245), (9, 1739025), (15, 1043415), (25, 626049), (27, 579675), (45, 347805), (59, 265275), (75, 208683), (81, 193225), (131, 119475), (135, 115935), (177, 88425), (225, 69561), (295, 53055), (393, 39825), (405, 38645), (531, 29475), (655, 23895), (675, 23187), (885, 17685), (1179, 13275), (1475, 10611), (1593, 9825), (1965, 7965), (2025, 7729), (2655, 5895), (3275, 4779), (3537, 4425)]