251923959

素因数分解:

$3^3\times 7^1\times {\mathrm{409}}^1\times {\mathrm{3259}}^1$

素因数の和:3684

約数の個数: 32

約数和(自身を含む): 427712000

約数和(自身を除く): 175788041

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 409, 1227, 2863, 3259, 3681, 8589, 9777, 11043, 22813, 25767, 29331, 68439, 77301, 87993, 205317, 615951, 1332931, 3998793, 9330517, 11996379, 27991551, 35989137, 83974653, 251923959]

約数ペア:

[(1, 251923959), (3, 83974653), (7, 35989137), (9, 27991551), (21, 11996379), (27, 9330517), (63, 3998793), (189, 1332931), (409, 615951), (1227, 205317), (2863, 87993), (3259, 77301), (3681, 68439), (8589, 29331), (9777, 25767), (11043, 22813)]