27500625

素因数分解:

$3^2\times 5^4\times {\mathrm{4889}}^1$

素因数の和:4915

約数の個数: 30

約数和(自身を含む): 49648170

約数和(自身を除く): 22147545

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875, 4889, 5625, 14667, 24445, 44001, 73335, 122225, 220005, 366675, 611125, 1100025, 1833375, 3055625, 5500125, 9166875, 27500625]

約数ペア:

[(1, 27500625), (3, 9166875), (5, 5500125), (9, 3055625), (15, 1833375), (25, 1100025), (45, 611125), (75, 366675), (125, 220005), (225, 122225), (375, 73335), (625, 44001), (1125, 24445), (1875, 14667), (4889, 5625)]