38912937

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{821}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 61972224

約数和(自身を除く): 23059287

約数列:

[1, 3, 7, 21, 37, 61, 111, 183, 259, 427, 777, 821, 1281, 2257, 2463, 5747, 6771, 15799, 17241, 30377, 47397, 50081, 91131, 150243, 212639, 350567, 637917, 1051701, 1852997, 5558991, 12970979, 38912937]

約数ペア:

[(1, 38912937), (3, 12970979), (7, 5558991), (21, 1852997), (37, 1051701), (61, 637917), (111, 350567), (183, 212639), (259, 150243), (427, 91131), (777, 50081), (821, 47397), (1281, 30377), (2257, 17241), (2463, 15799), (5747, 6771)]