28758375

素因数分解:

$3^3\times 5^3\times {\mathrm{8521}}^1$

素因数の和:8545

約数の個数: 32

約数和(自身を含む): 53177280

約数和(自身を除く): 24418905

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 675, 1125, 3375, 8521, 25563, 42605, 76689, 127815, 213025, 230067, 383445, 639075, 1065125, 1150335, 1917225, 3195375, 5751675, 9586125, 28758375]

約数ペア:

[(1, 28758375), (3, 9586125), (5, 5751675), (9, 3195375), (15, 1917225), (25, 1150335), (27, 1065125), (45, 639075), (75, 383445), (125, 230067), (135, 213025), (225, 127815), (375, 76689), (675, 42605), (1125, 25563), (3375, 8521)]