30001875

素因数分解:

$3^1\times 5^4\times {\mathrm{16001}}^1$

素因数の和:16024

約数の個数: 20

約数和(自身を含む): 49990248

約数和(自身を除く): 19988373

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 16001, 48003, 80005, 240015, 400025, 1200075, 2000125, 6000375, 10000625, 30001875]

約数ペア:

[(1, 30001875), (3, 10000625), (5, 6000375), (15, 2000125), (25, 1200075), (75, 400025), (125, 240015), (375, 80005), (625, 48003), (1875, 16001)]