31488915

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 51681600

約数和(自身を除く): 20192685

約数列:

[1, 3, 5, 15, 73, 149, 193, 219, 365, 447, 579, 745, 965, 1095, 2235, 2895, 10877, 14089, 28757, 32631, 42267, 54385, 70445, 86271, 143785, 163155, 211335, 431355, 2099261, 6297783, 10496305, 31488915]

約数ペア:

[(1, 31488915), (3, 10496305), (5, 6297783), (15, 2099261), (73, 431355), (149, 211335), (193, 163155), (219, 143785), (365, 86271), (447, 70445), (579, 54385), (745, 42267), (965, 32631), (1095, 28757), (2235, 14089), (2895, 10877)]