8291025

素因数分解:

$3^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 15534720

約数和(自身を除く): 7243695

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 135, 173, 213, 225, 355, 519, 639, 675, 865, 1065, 1557, 1775, 1917, 2595, 3195, 4325, 4671, 5325, 7785, 9585, 12283, 12975, 15975, 23355, 36849, 38925, 47925, 61415, 110547, 116775, 184245, 307075, 331641, 552735, 921225, 1658205, 2763675, 8291025]

約数ペア:

[(1, 8291025), (3, 2763675), (5, 1658205), (9, 921225), (15, 552735), (25, 331641), (27, 307075), (45, 184245), (71, 116775), (75, 110547), (135, 61415), (173, 47925), (213, 38925), (225, 36849), (355, 23355), (519, 15975), (639, 12975), (675, 12283), (865, 9585), (1065, 7785), (1557, 5325), (1775, 4671), (1917, 4325), (2595, 3195)]