9972215

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 13444704

約数和(自身を除く): 3472489

約数列:

[1, 5, 11, 53, 55, 121, 265, 311, 583, 605, 1555, 2915, 3421, 6413, 16483, 17105, 32065, 37631, 82415, 181313, 188155, 906565, 1994443, 9972215]

約数ペア:

[(1, 9972215), (5, 1994443), (11, 906565), (53, 188155), (55, 181313), (121, 82415), (265, 37631), (311, 32065), (583, 17105), (605, 16483), (1555, 6413), (2915, 3421)]