16809328875

素因数分解:

$3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{1042439}}^1$

素因数の和:1042500

約数の個数: 32

約数和(自身を含む): 28621232640

約数和(自身を除く): 11811903765

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 215, 375, 645, 1075, 3225, 5375, 16125, 1042439, 3127317, 5212195, 15636585, 26060975, 44824877, 78182925, 130304875, 134474631, 224124385, 390914625, 672373155, 1120621925, 3361865775, 5603109625, 16809328875]

約数ペア:

[(1, 16809328875), (3, 5603109625), (5, 3361865775), (15, 1120621925), (25, 672373155), (43, 390914625), (75, 224124385), (125, 134474631), (129, 130304875), (215, 78182925), (375, 44824877), (645, 26060975), (1075, 15636585), (3225, 5212195), (5375, 3127317), (16125, 1042439)]