25560585

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 46545408

約数和(自身を除く): 20984823

約数列:

[1, 3, 5, 9, 15, 31, 45, 73, 93, 155, 219, 251, 279, 365, 465, 657, 753, 1095, 1255, 1395, 2259, 2263, 3285, 3765, 6789, 7781, 11295, 11315, 18323, 20367, 23343, 33945, 38905, 54969, 70029, 91615, 101835, 116715, 164907, 274845, 350145, 568013, 824535, 1704039, 2840065, 5112117, 8520195, 25560585]

約数ペア:

[(1, 25560585), (3, 8520195), (5, 5112117), (9, 2840065), (15, 1704039), (31, 824535), (45, 568013), (73, 350145), (93, 274845), (155, 164907), (219, 116715), (251, 101835), (279, 91615), (365, 70029), (465, 54969), (657, 38905), (753, 33945), (1095, 23343), (1255, 20367), (1395, 18323), (2259, 11315), (2263, 11295), (3285, 7781), (3765, 6789)]