61897143

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{379}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 106047360

約数和(自身を除く): 44150217

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 101, 147, 231, 303, 379, 539, 707, 1111, 1137, 1617, 2121, 2653, 3333, 4169, 4949, 7777, 7959, 12507, 14847, 18571, 23331, 29183, 38279, 54439, 55713, 87549, 114837, 163317, 204281, 267953, 421069, 612843, 803859, 1263207, 1875671, 2947483, 5627013, 8842449, 20632381, 61897143]

約数ペア:

[(1, 61897143), (3, 20632381), (7, 8842449), (11, 5627013), (21, 2947483), (33, 1875671), (49, 1263207), (77, 803859), (101, 612843), (147, 421069), (231, 267953), (303, 204281), (379, 163317), (539, 114837), (707, 87549), (1111, 55713), (1137, 54439), (1617, 38279), (2121, 29183), (2653, 23331), (3333, 18571), (4169, 14847), (4949, 12507), (7777, 7959)]