211318125

素因数分解:

$3^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{2621}}^1$

素因数の和:2687

約数の個数: 40

約数和(自身を含む): 360409632

約数和(自身を除く): 149091507

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 215, 375, 625, 645, 1075, 1875, 2621, 3225, 5375, 7863, 13105, 16125, 26875, 39315, 65525, 80625, 112703, 196575, 327625, 338109, 563515, 982875, 1638125, 1690545, 2817575, 4914375, 8452725, 14087875, 42263625, 70439375, 211318125]

約数ペア:

[(1, 211318125), (3, 70439375), (5, 42263625), (15, 14087875), (25, 8452725), (43, 4914375), (75, 2817575), (125, 1690545), (129, 1638125), (215, 982875), (375, 563515), (625, 338109), (645, 327625), (1075, 196575), (1875, 112703), (2621, 80625), (3225, 65525), (5375, 39315), (7863, 26875), (13105, 16125)]