190045989

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 320681088

約数和(自身を除く): 130635099

約数列:

[1, 3, 7, 9, 21, 63, 97, 137, 227, 291, 411, 679, 681, 873, 959, 1233, 1589, 2037, 2043, 2877, 4767, 6111, 8631, 13289, 14301, 22019, 31099, 39867, 66057, 93023, 93297, 119601, 154133, 198171, 217693, 279069, 279891, 462399, 653079, 837207, 1387197, 1959237, 3016603, 9049809, 21116221, 27149427, 63348663, 190045989]

約数ペア:

[(1, 190045989), (3, 63348663), (7, 27149427), (9, 21116221), (21, 9049809), (63, 3016603), (97, 1959237), (137, 1387197), (227, 837207), (291, 653079), (411, 462399), (679, 279891), (681, 279069), (873, 217693), (959, 198171), (1233, 154133), (1589, 119601), (2037, 93297), (2043, 93023), (2877, 66057), (4767, 39867), (6111, 31099), (8631, 22019), (13289, 14301)]