123021409

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 154880000

約数和(自身を除く): 31858591

約数列:

[1, 7, 19, 43, 49, 133, 301, 343, 439, 817, 931, 2107, 3073, 5719, 6517, 8341, 14749, 18877, 21511, 40033, 58387, 132139, 150577, 280231, 358663, 408709, 924973, 2510641, 2860963, 6474811, 17574487, 123021409]

約数ペア:

[(1, 123021409), (7, 17574487), (19, 6474811), (43, 2860963), (49, 2510641), (133, 924973), (301, 408709), (343, 358663), (439, 280231), (817, 150577), (931, 132139), (2107, 58387), (3073, 40033), (5719, 21511), (6517, 18877), (8341, 14749)]