921225

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 1553472

約数和(自身を除く): 632247

約数列:

[1, 3, 5, 15, 25, 71, 75, 173, 213, 355, 519, 865, 1065, 1775, 2595, 4325, 5325, 12283, 12975, 36849, 61415, 184245, 307075, 921225]

約数ペア:

[(1, 921225), (3, 307075), (5, 184245), (15, 61415), (25, 36849), (71, 12975), (75, 12283), (173, 5325), (213, 4325), (355, 2595), (519, 1775), (865, 1065)]