15490251

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1999}}^1$

素因数の和:2056

約数の個数: 32

約数和(自身を含む): 26880000

約数和(自身を除く): 11389749

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 1999, 2583, 5997, 7749, 13993, 17991, 41979, 53973, 81959, 125937, 245877, 377811, 573713, 737631, 1721139, 2212893, 5163417, 15490251]

約数ペア:

[(1, 15490251), (3, 5163417), (7, 2212893), (9, 1721139), (21, 737631), (27, 573713), (41, 377811), (63, 245877), (123, 125937), (189, 81959), (287, 53973), (369, 41979), (861, 17991), (1107, 13993), (1999, 7749), (2583, 5997)]