18085977

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 34997760

約数和(自身を除く): 16911783

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 51, 63, 91, 117, 119, 153, 189, 221, 273, 351, 357, 433, 459, 663, 819, 1071, 1299, 1547, 1989, 2457, 3031, 3213, 3897, 4641, 5629, 5967, 7361, 9093, 11691, 13923, 16887, 22083, 27279, 39403, 41769, 50661, 51527, 66249, 81837, 95693, 118209, 151983, 154581, 198747, 287079, 354627, 463743, 669851, 861237, 1063881, 1391229, 2009553, 2583711, 6028659, 18085977]

約数ペア:

[(1, 18085977), (3, 6028659), (7, 2583711), (9, 2009553), (13, 1391229), (17, 1063881), (21, 861237), (27, 669851), (39, 463743), (51, 354627), (63, 287079), (91, 198747), (117, 154581), (119, 151983), (153, 118209), (189, 95693), (221, 81837), (273, 66249), (351, 51527), (357, 50661), (433, 41769), (459, 39403), (663, 27279), (819, 22083), (1071, 16887), (1299, 13923), (1547, 11691), (1989, 9093), (2457, 7361), (3031, 5967), (3213, 5629), (3897, 4641)]