2143125

素因数分解:

$3^3\times 5^4\times {\mathrm{127}}^1$

素因数の和:156

約数の個数: 40

約数和(自身を含む): 3998720

約数和(自身を除く): 1855595

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 127, 135, 225, 375, 381, 625, 635, 675, 1125, 1143, 1875, 1905, 3175, 3375, 3429, 5625, 5715, 9525, 15875, 16875, 17145, 28575, 47625, 79375, 85725, 142875, 238125, 428625, 714375, 2143125]

約数ペア:

[(1, 2143125), (3, 714375), (5, 428625), (9, 238125), (15, 142875), (25, 85725), (27, 79375), (45, 47625), (75, 28575), (125, 17145), (127, 16875), (135, 15875), (225, 9525), (375, 5715), (381, 5625), (625, 3429), (635, 3375), (675, 3175), (1125, 1905), (1143, 1875)]