251342625

素因数分解:

$3^1\times 5^3\times {\mathrm{389}}^1\times {\mathrm{1723}}^1$

素因数の和:2130

約数の個数: 32

約数和(自身を含む): 419552640

約数和(自身を除く): 168210015

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 389, 1167, 1723, 1945, 5169, 5835, 8615, 9725, 25845, 29175, 43075, 48625, 129225, 145875, 215375, 646125, 670247, 2010741, 3351235, 10053705, 16756175, 50268525, 83780875, 251342625]

約数ペア:

[(1, 251342625), (3, 83780875), (5, 50268525), (15, 16756175), (25, 10053705), (75, 3351235), (125, 2010741), (375, 670247), (389, 646125), (1167, 215375), (1723, 145875), (1945, 129225), (5169, 48625), (5835, 43075), (8615, 29175), (9725, 25845)]