1642965

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{379}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 2799840

約数和(自身を除く): 1156875

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 379, 867, 1137, 1445, 1895, 4335, 5685, 6443, 19329, 32215, 96645, 109531, 328593, 547655, 1642965]

約数ペア:

[(1, 1642965), (3, 547655), (5, 328593), (15, 109531), (17, 96645), (51, 32215), (85, 19329), (255, 6443), (289, 5685), (379, 4335), (867, 1895), (1137, 1445)]