18201135

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 31119552

約数和(自身を除く): 12918417

約数列:

[1, 3, 5, 15, 17, 51, 85, 137, 255, 411, 521, 685, 1563, 2055, 2329, 2605, 6987, 7815, 8857, 11645, 26571, 34935, 44285, 71377, 132855, 214131, 356885, 1070655, 1213409, 3640227, 6067045, 18201135]

約数ペア:

[(1, 18201135), (3, 6067045), (5, 3640227), (15, 1213409), (17, 1070655), (51, 356885), (85, 214131), (137, 132855), (255, 71377), (411, 44285), (521, 34935), (685, 26571), (1563, 11645), (2055, 8857), (2329, 7815), (2605, 6987)]