221049507

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{6053}}^1$

素因数の和:6147

約数の個数: 32

約数和(自身を含む): 353359872

約数和(自身を除く): 132310365

約数列:

[1, 3, 7, 21, 37, 47, 111, 141, 259, 329, 777, 987, 1739, 5217, 6053, 12173, 18159, 36519, 42371, 127113, 223961, 284491, 671883, 853473, 1567727, 1991437, 4703181, 5974311, 10526167, 31578501, 73683169, 221049507]

約数ペア:

[(1, 221049507), (3, 73683169), (7, 31578501), (21, 10526167), (37, 5974311), (47, 4703181), (111, 1991437), (141, 1567727), (259, 853473), (329, 671883), (777, 284491), (987, 223961), (1739, 127113), (5217, 42371), (6053, 36519), (12173, 18159)]