42781361

素因数分解:

$7^3\times {\mathrm{37}}^1\times {\mathrm{3371}}^1$

素因数の和:3429

約数の個数: 16

約数和(自身を含む): 51254400

約数和(自身を除く): 8473039

約数列:

[1, 7, 37, 49, 259, 343, 1813, 3371, 12691, 23597, 124727, 165179, 873089, 1156253, 6111623, 42781361]

約数ペア:

[(1, 42781361), (7, 6111623), (37, 1156253), (49, 873089), (259, 165179), (343, 124727), (1813, 23597), (3371, 12691)]