201657621

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{18919}}^1$

素因数の和:18969

約数の個数: 32

約数和(自身を含む): 326937600

約数和(自身を除く): 125279979

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 187, 209, 323, 561, 627, 969, 3553, 10659, 18919, 56757, 208109, 321623, 359461, 624327, 964869, 1078383, 3537853, 3954071, 6110837, 10613559, 11862213, 18332511, 67219207, 201657621]

約数ペア:

[(1, 201657621), (3, 67219207), (11, 18332511), (17, 11862213), (19, 10613559), (33, 6110837), (51, 3954071), (57, 3537853), (187, 1078383), (209, 964869), (323, 624327), (561, 359461), (627, 321623), (969, 208109), (3553, 56757), (10659, 18919)]