138529121997

素因数分解:

$3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{25667801}}^1$

素因数の和:25668068

約数の個数: 16

約数和(自身を含む): 211913373312

約数和(自身を除く): 73384251315

約数列:

[1, 3, 7, 21, 257, 771, 1799, 5397, 25667801, 77003403, 179674607, 539023821, 6596624857, 19789874571, 46176373999, 138529121997]

約数ペア:

[(1, 138529121997), (3, 46176373999), (7, 19789874571), (21, 6596624857), (257, 539023821), (771, 179674607), (1799, 77003403), (5397, 25667801)]