2161875

素因数分解:

$3^1\times 5^4\times {\mathrm{1153}}^1$

素因数の和:1176

約数の個数: 20

約数和(自身を含む): 3605096

約数和(自身を除く): 1443221

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1153, 1875, 3459, 5765, 17295, 28825, 86475, 144125, 432375, 720625, 2161875]

約数ペア:

[(1, 2161875), (3, 720625), (5, 432375), (15, 144125), (25, 86475), (75, 28825), (125, 17295), (375, 5765), (625, 3459), (1153, 1875)]