18125991

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{457}}^1$

素因数の和:592

約数の個数: 32

約数和(自身を含む): 29238720

約数和(自身を除く): 11112729

約数列:

[1, 3, 9, 13, 27, 39, 113, 117, 339, 351, 457, 1017, 1371, 1469, 3051, 4113, 4407, 5941, 12339, 13221, 17823, 39663, 51641, 53469, 154923, 160407, 464769, 671333, 1394307, 2013999, 6041997, 18125991]

約数ペア:

[(1, 18125991), (3, 6041997), (9, 2013999), (13, 1394307), (27, 671333), (39, 464769), (113, 160407), (117, 154923), (339, 53469), (351, 51641), (457, 39663), (1017, 17823), (1371, 13221), (1469, 12339), (3051, 5941), (4113, 4407)]