28327425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 54282240

約数和(自身を除く): 25954815

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 79, 105, 175, 237, 395, 525, 553, 683, 1185, 1659, 1975, 2049, 2765, 3415, 4781, 5925, 8295, 10245, 13825, 14343, 17075, 23905, 41475, 51225, 53957, 71715, 119525, 161871, 269785, 358575, 377699, 809355, 1133097, 1348925, 1888495, 4046775, 5665485, 9442475, 28327425]

約数ペア:

[(1, 28327425), (3, 9442475), (5, 5665485), (7, 4046775), (15, 1888495), (21, 1348925), (25, 1133097), (35, 809355), (75, 377699), (79, 358575), (105, 269785), (175, 161871), (237, 119525), (395, 71715), (525, 53957), (553, 51225), (683, 41475), (1185, 23905), (1659, 17075), (1975, 14343), (2049, 13825), (2765, 10245), (3415, 8295), (4781, 5925)]