1213965

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{509}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 2148120

約数和(自身を除く): 934155

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 509, 795, 1527, 2385, 2545, 4581, 7635, 22905, 26977, 80931, 134885, 242793, 404655, 1213965]

約数ペア:

[(1, 1213965), (3, 404655), (5, 242793), (9, 134885), (15, 80931), (45, 26977), (53, 22905), (159, 7635), (265, 4581), (477, 2545), (509, 2385), (795, 1527)]