39721909

素因数分解:

${\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 42462720

約数和(自身を除く): 2740811

約数列:

[1, 29, 47, 151, 193, 1363, 4379, 5597, 7097, 9071, 29143, 205813, 263059, 845147, 1369721, 39721909]

約数ペア:

[(1, 39721909), (29, 1369721), (47, 845147), (151, 263059), (193, 205813), (1363, 29143), (4379, 9071), (5597, 7097)]