30997701

素因数分解:

$3^3\times 7^1\times {\mathrm{401}}^1\times {\mathrm{409}}^1$

素因数の和:826

約数の個数: 32

約数和(自身を含む): 52742400

約数和(自身を除く): 21744699

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 401, 409, 1203, 1227, 2807, 2863, 3609, 3681, 8421, 8589, 10827, 11043, 25263, 25767, 75789, 77301, 164009, 492027, 1148063, 1476081, 3444189, 4428243, 10332567, 30997701]

約数ペア:

[(1, 30997701), (3, 10332567), (7, 4428243), (9, 3444189), (21, 1476081), (27, 1148063), (63, 492027), (189, 164009), (401, 77301), (409, 75789), (1203, 25767), (1227, 25263), (2807, 11043), (2863, 10827), (3609, 8589), (3681, 8421)]