2871375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 64

約数和(自身を含む): 5591040

約数和(自身を除く): 2719665

約数列:

[1, 3, 5, 13, 15, 19, 25, 31, 39, 57, 65, 75, 93, 95, 125, 155, 195, 247, 285, 325, 375, 403, 465, 475, 589, 741, 775, 975, 1209, 1235, 1425, 1625, 1767, 2015, 2325, 2375, 2945, 3705, 3875, 4875, 6045, 6175, 7125, 7657, 8835, 10075, 11625, 14725, 18525, 22971, 30225, 30875, 38285, 44175, 50375, 73625, 92625, 114855, 151125, 191425, 220875, 574275, 957125, 2871375]

約数ペア:

[(1, 2871375), (3, 957125), (5, 574275), (13, 220875), (15, 191425), (19, 151125), (25, 114855), (31, 92625), (39, 73625), (57, 50375), (65, 44175), (75, 38285), (93, 30875), (95, 30225), (125, 22971), (155, 18525), (195, 14725), (247, 11625), (285, 10075), (325, 8835), (375, 7657), (403, 7125), (465, 6175), (475, 6045), (589, 4875), (741, 3875), (775, 3705), (975, 2945), (1209, 2375), (1235, 2325), (1425, 2015), (1625, 1767)]