29987181

素因数分解:

$3^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1187}}^1$

素因数の和:1601

約数の個数: 24

約数和(自身を含む): 49667904

約数和(自身を除く): 19680723

約数列:

[1, 3, 7, 9, 21, 63, 401, 1187, 1203, 2807, 3561, 3609, 8309, 8421, 10683, 24927, 25263, 74781, 475987, 1427961, 3331909, 4283883, 9995727, 29987181]

約数ペア:

[(1, 29987181), (3, 9995727), (7, 4283883), (9, 3331909), (21, 1427961), (63, 475987), (401, 74781), (1187, 25263), (1203, 24927), (2807, 10683), (3561, 8421), (3609, 8309)]