620528025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{7151}}^1$

素因数の和:7266

約数の個数: 48

約数和(自身を含む): 1117428480

約数和(自身を除く): 496900455

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 89, 195, 267, 325, 445, 975, 1157, 1335, 2225, 3471, 5785, 6675, 7151, 17355, 21453, 28925, 35755, 86775, 92963, 107265, 178775, 278889, 464815, 536325, 636439, 1394445, 1909317, 2324075, 3182195, 6972225, 8273707, 9546585, 15910975, 24821121, 41368535, 47732925, 124105605, 206842675, 620528025]

約数ペア:

[(1, 620528025), (3, 206842675), (5, 124105605), (13, 47732925), (15, 41368535), (25, 24821121), (39, 15910975), (65, 9546585), (75, 8273707), (89, 6972225), (195, 3182195), (267, 2324075), (325, 1909317), (445, 1394445), (975, 636439), (1157, 536325), (1335, 464815), (2225, 278889), (3471, 178775), (5785, 107265), (6675, 92963), (7151, 86775), (17355, 35755), (21453, 28925)]