248331315

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{2161}}^1$

素因数の和:2379

約数の個数: 32

約数和(自身を含む): 408462336

約数和(自身を除く): 160131021

約数列:

[1, 3, 5, 15, 47, 141, 163, 235, 489, 705, 815, 2161, 2445, 6483, 7661, 10805, 22983, 32415, 38305, 101567, 114915, 304701, 352243, 507835, 1056729, 1523505, 1761215, 5283645, 16555421, 49666263, 82777105, 248331315]

約数ペア:

[(1, 248331315), (3, 82777105), (5, 49666263), (15, 16555421), (47, 5283645), (141, 1761215), (163, 1523505), (235, 1056729), (489, 507835), (705, 352243), (815, 304701), (2161, 114915), (2445, 101567), (6483, 38305), (7661, 32415), (10805, 22983)]