199906035

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{271981}}^1$

素因数の和:272003

約数の個数: 24

約数和(自身を含む): 372071376

約数和(自身を除く): 172165341

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 271981, 815943, 1359905, 1903867, 4079715, 5711601, 9519335, 13327069, 28558005, 39981207, 66635345, 199906035]

約数ペア:

[(1, 199906035), (3, 66635345), (5, 39981207), (7, 28558005), (15, 13327069), (21, 9519335), (35, 5711601), (49, 4079715), (105, 1903867), (147, 1359905), (245, 815943), (735, 271981)]