87771375

素因数分解:

$3^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{1279}}^1$

素因数の和:1361

約数の個数: 48

約数和(自身を含む): 160942080

約数和(自身を除く): 73170705

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 125, 183, 225, 305, 375, 549, 915, 1125, 1279, 1525, 2745, 3837, 4575, 6395, 7625, 11511, 13725, 19185, 22875, 31975, 57555, 68625, 78019, 95925, 159875, 234057, 287775, 390095, 479625, 702171, 1170285, 1438875, 1950475, 3510855, 5851425, 9752375, 17554275, 29257125, 87771375]

約数ペア:

[(1, 87771375), (3, 29257125), (5, 17554275), (9, 9752375), (15, 5851425), (25, 3510855), (45, 1950475), (61, 1438875), (75, 1170285), (125, 702171), (183, 479625), (225, 390095), (305, 287775), (375, 234057), (549, 159875), (915, 95925), (1125, 78019), (1279, 68625), (1525, 57555), (2745, 31975), (3837, 22875), (4575, 19185), (6395, 13725), (7625, 11511)]