78920331

素因数分解:

$3^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{2089}}^1$

素因数の和:2363

約数の個数: 24

約数和(自身を含む): 122942160

約数和(自身を除く): 44021829

約数列:

[1, 3, 7, 21, 49, 147, 257, 771, 1799, 2089, 5397, 6267, 12593, 14623, 37779, 43869, 102361, 307083, 536873, 1610619, 3758111, 11274333, 26306777, 78920331]

約数ペア:

[(1, 78920331), (3, 26306777), (7, 11274333), (21, 3758111), (49, 1610619), (147, 536873), (257, 307083), (771, 102361), (1799, 43869), (2089, 37779), (5397, 14623), (6267, 12593)]