30420915

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{41389}}^1$

素因数の和:41411

約数の個数: 24

約数和(自身を含む): 56621520

約数和(自身を除く): 26200605

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 41389, 124167, 206945, 289723, 620835, 869169, 1448615, 2028061, 4345845, 6084183, 10140305, 30420915]

約数ペア:

[(1, 30420915), (3, 10140305), (5, 6084183), (7, 4345845), (15, 2028061), (21, 1448615), (35, 869169), (49, 620835), (105, 289723), (147, 206945), (245, 124167), (735, 41389)]