1515125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:86

約数の個数: 32

約数和(自身を含む): 2156544

約数和(自身を除く): 641419

約数列:

[1, 5, 17, 23, 25, 31, 85, 115, 125, 155, 391, 425, 527, 575, 713, 775, 1955, 2125, 2635, 2875, 3565, 3875, 9775, 12121, 13175, 17825, 48875, 60605, 65875, 89125, 303025, 1515125]

約数ペア:

[(1, 1515125), (5, 303025), (17, 89125), (23, 65875), (25, 60605), (31, 48875), (85, 17825), (115, 13175), (125, 12121), (155, 9775), (391, 3875), (425, 3565), (527, 2875), (575, 2635), (713, 2125), (775, 1955)]