726005625

素因数分解:

$3^1\times 5^4\times {\mathrm{387203}}^1$

素因数の和:387226

約数の個数: 20

約数和(自身を含む): 1209625296

約数和(自身を除く): 483619671

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 387203, 1161609, 1936015, 5808045, 9680075, 29040225, 48400375, 145201125, 242001875, 726005625]

約数ペア:

[(1, 726005625), (3, 242001875), (5, 145201125), (15, 48400375), (25, 29040225), (75, 9680075), (125, 5808045), (375, 1936015), (625, 1161609), (1875, 387203)]