215156625

素因数分解:

$3^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{8081}}^1$

素因数の和:8170

約数の個数: 32

約数和(自身を含む): 363108096

約数和(自身を除く): 147951471

約数列:

[1, 3, 5, 15, 25, 71, 75, 125, 213, 355, 375, 1065, 1775, 5325, 8081, 8875, 24243, 26625, 40405, 121215, 202025, 573751, 606075, 1010125, 1721253, 2868755, 3030375, 8606265, 14343775, 43031325, 71718875, 215156625]

約数ペア:

[(1, 215156625), (3, 71718875), (5, 43031325), (15, 14343775), (25, 8606265), (71, 3030375), (75, 2868755), (125, 1721253), (213, 1010125), (355, 606075), (375, 573751), (1065, 202025), (1775, 121215), (5325, 40405), (8081, 26625), (8875, 24243)]