1722825

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 72

約数和(自身を含む): 3610880

約数和(自身を除く): 1888055

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 31, 39, 45, 57, 65, 75, 93, 95, 117, 155, 171, 195, 225, 247, 279, 285, 325, 403, 465, 475, 585, 589, 741, 775, 855, 975, 1209, 1235, 1395, 1425, 1767, 2015, 2223, 2325, 2925, 2945, 3627, 3705, 4275, 5301, 6045, 6175, 6975, 7657, 8835, 10075, 11115, 14725, 18135, 18525, 22971, 26505, 30225, 38285, 44175, 55575, 68913, 90675, 114855, 132525, 191425, 344565, 574275, 1722825]

約数ペア:

[(1, 1722825), (3, 574275), (5, 344565), (9, 191425), (13, 132525), (15, 114855), (19, 90675), (25, 68913), (31, 55575), (39, 44175), (45, 38285), (57, 30225), (65, 26505), (75, 22971), (93, 18525), (95, 18135), (117, 14725), (155, 11115), (171, 10075), (195, 8835), (225, 7657), (247, 6975), (279, 6175), (285, 6045), (325, 5301), (403, 4275), (465, 3705), (475, 3627), (585, 2945), (589, 2925), (741, 2325), (775, 2223), (855, 2015), (975, 1767), (1209, 1425), (1235, 1395)]