168890625

素因数分解:

$3^2\times 5^6\times {\mathrm{1201}}^1$

素因数の和:1237

約数の個数: 42

約数和(自身を含む): 305191406

約数和(自身を除く): 136300781

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1201, 1875, 3125, 3603, 5625, 6005, 9375, 10809, 15625, 18015, 28125, 30025, 46875, 54045, 90075, 140625, 150125, 270225, 450375, 750625, 1351125, 2251875, 3753125, 6755625, 11259375, 18765625, 33778125, 56296875, 168890625]

約数ペア:

[(1, 168890625), (3, 56296875), (5, 33778125), (9, 18765625), (15, 11259375), (25, 6755625), (45, 3753125), (75, 2251875), (125, 1351125), (225, 750625), (375, 450375), (625, 270225), (1125, 150125), (1201, 140625), (1875, 90075), (3125, 54045), (3603, 46875), (5625, 30025), (6005, 28125), (9375, 18015), (10809, 15625)]