2178712875

素因数分解:

$3^1\times 5^3\times {\mathrm{1823}}^1\times {\mathrm{3187}}^1$

素因数の和:5028

約数の個数: 32

約数和(自身を含む): 3628505088

約数和(自身を除く): 1449792213

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 1823, 3187, 5469, 9115, 9561, 15935, 27345, 45575, 47805, 79675, 136725, 227875, 239025, 398375, 683625, 1195125, 5809901, 17429703, 29049505, 87148515, 145247525, 435742575, 726237625, 2178712875]

約数ペア:

[(1, 2178712875), (3, 726237625), (5, 435742575), (15, 145247525), (25, 87148515), (75, 29049505), (125, 17429703), (375, 5809901), (1823, 1195125), (3187, 683625), (5469, 398375), (9115, 239025), (9561, 227875), (15935, 136725), (27345, 79675), (45575, 47805)]