1553120985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{612671}}^1$

素因数の和:612705

約数の個数: 24

約数和(自身を含む): 2690855424

約数和(自身を除く): 1137734439

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 612671, 1838013, 3063355, 7964723, 9190065, 23894169, 39823615, 103541399, 119470845, 310624197, 517706995, 1553120985]

約数ペア:

[(1, 1553120985), (3, 517706995), (5, 310624197), (13, 119470845), (15, 103541399), (39, 39823615), (65, 23894169), (169, 9190065), (195, 7964723), (507, 3063355), (845, 1838013), (2535, 612671)]