165261375

素因数分解:

$3^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{2069}}^1$

素因数の和:2161

約数の個数: 48

約数和(自身を含む): 302253120

約数和(自身を除く): 136991745

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 125, 213, 225, 355, 375, 639, 1065, 1125, 1775, 2069, 3195, 5325, 6207, 8875, 10345, 15975, 18621, 26625, 31035, 51725, 79875, 93105, 146899, 155175, 258625, 440697, 465525, 734495, 775875, 1322091, 2203485, 2327625, 3672475, 6610455, 11017425, 18362375, 33052275, 55087125, 165261375]

約数ペア:

[(1, 165261375), (3, 55087125), (5, 33052275), (9, 18362375), (15, 11017425), (25, 6610455), (45, 3672475), (71, 2327625), (75, 2203485), (125, 1322091), (213, 775875), (225, 734495), (355, 465525), (375, 440697), (639, 258625), (1065, 155175), (1125, 146899), (1775, 93105), (2069, 79875), (3195, 51725), (5325, 31035), (6207, 26625), (8875, 18621), (10345, 15975)]