17908965

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2503}}^1$

素因数の和:2570

約数の個数: 32

約数和(自身を含む): 32451840

約数和(自身を除く): 14542875

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 2385, 2503, 7155, 7509, 12515, 22527, 37545, 67581, 112635, 132659, 337905, 397977, 663295, 1193931, 1989885, 3581793, 5969655, 17908965]

約数ペア:

[(1, 17908965), (3, 5969655), (5, 3581793), (9, 1989885), (15, 1193931), (27, 663295), (45, 397977), (53, 337905), (135, 132659), (159, 112635), (265, 67581), (477, 37545), (795, 22527), (1431, 12515), (2385, 7509), (2503, 7155)]