138840207

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{653}}^1$

素因数の和:1063

約数の個数: 32

約数和(自身を含む): 214721280

約数和(自身を除く): 75881073

約数列:

[1, 3, 11, 17, 33, 51, 187, 379, 561, 653, 1137, 1959, 4169, 6443, 7183, 11101, 12507, 19329, 21549, 33303, 70873, 122111, 212619, 247487, 366333, 742461, 2722357, 4207279, 8167071, 12621837, 46280069, 138840207]

約数ペア:

[(1, 138840207), (3, 46280069), (11, 12621837), (17, 8167071), (33, 4207279), (51, 2722357), (187, 742461), (379, 366333), (561, 247487), (653, 212619), (1137, 122111), (1959, 70873), (4169, 33303), (6443, 21549), (7183, 19329), (11101, 12507)]