30938481

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3533}}^1$

素因数の和:3685

約数の個数: 24

約数和(自身を含む): 51455040

約数和(自身を除く): 20516559

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2919, 3533, 8757, 10599, 24731, 31797, 74193, 222579, 491087, 1473261, 3437609, 4419783, 10312827, 30938481]

約数ペア:

[(1, 30938481), (3, 10312827), (7, 4419783), (9, 3437609), (21, 1473261), (63, 491087), (139, 222579), (417, 74193), (973, 31797), (1251, 24731), (2919, 10599), (3533, 8757)]