15142725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 30331392

約数和(自身を除く): 15188667

約数列:

[1, 3, 5, 9, 13, 15, 25, 31, 39, 45, 65, 75, 93, 117, 155, 167, 195, 225, 279, 325, 403, 465, 501, 585, 775, 835, 975, 1209, 1395, 1503, 2015, 2171, 2325, 2505, 2925, 3627, 4175, 5177, 6045, 6513, 6975, 7515, 10075, 10855, 12525, 15531, 18135, 19539, 25885, 30225, 32565, 37575, 46593, 54275, 67301, 77655, 90675, 97695, 129425, 162825, 201903, 232965, 336505, 388275, 488475, 605709, 1009515, 1164825, 1682525, 3028545, 5047575, 15142725]

約数ペア:

[(1, 15142725), (3, 5047575), (5, 3028545), (9, 1682525), (13, 1164825), (15, 1009515), (25, 605709), (31, 488475), (39, 388275), (45, 336505), (65, 232965), (75, 201903), (93, 162825), (117, 129425), (155, 97695), (167, 90675), (195, 77655), (225, 67301), (279, 54275), (325, 46593), (403, 37575), (465, 32565), (501, 30225), (585, 25885), (775, 19539), (835, 18135), (975, 15531), (1209, 12525), (1395, 10855), (1503, 10075), (2015, 7515), (2171, 6975), (2325, 6513), (2505, 6045), (2925, 5177), (3627, 4175)]