2542605

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 4743360

約数和(自身を除く): 2200755

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 59, 65, 85, 169, 177, 195, 221, 255, 295, 507, 663, 767, 845, 885, 1003, 1105, 2301, 2535, 2873, 3009, 3315, 3835, 5015, 8619, 9971, 11505, 13039, 14365, 15045, 29913, 39117, 43095, 49855, 65195, 149565, 169507, 195585, 508521, 847535, 2542605]

約数ペア:

[(1, 2542605), (3, 847535), (5, 508521), (13, 195585), (15, 169507), (17, 149565), (39, 65195), (51, 49855), (59, 43095), (65, 39117), (85, 29913), (169, 15045), (177, 14365), (195, 13039), (221, 11505), (255, 9971), (295, 8619), (507, 5015), (663, 3835), (767, 3315), (845, 3009), (885, 2873), (1003, 2535), (1105, 2301)]