1317905

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:244

約数の個数: 16

約数和(自身を含む): 1674000

約数和(自身を除く): 356095

約数列:

[1, 5, 29, 61, 145, 149, 305, 745, 1769, 4321, 8845, 9089, 21605, 45445, 263581, 1317905]

約数ペア:

[(1, 1317905), (5, 263581), (29, 45445), (61, 21605), (145, 9089), (149, 8845), (305, 4321), (745, 1769)]