260775

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:96

約数の個数: 36

約数和(自身を含む): 499720

約数和(自身を除く): 238945

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 61, 75, 95, 171, 183, 225, 285, 305, 475, 549, 855, 915, 1159, 1425, 1525, 2745, 3477, 4275, 4575, 5795, 10431, 13725, 17385, 28975, 52155, 86925, 260775]

約数ペア:

[(1, 260775), (3, 86925), (5, 52155), (9, 28975), (15, 17385), (19, 13725), (25, 10431), (45, 5795), (57, 4575), (61, 4275), (75, 3477), (95, 2745), (171, 1525), (183, 1425), (225, 1159), (285, 915), (305, 855), (475, 549)]