81268794

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{145643}}^1$

素因数の和:145682

約数の個数: 24

約数和(自身を含む): 181763712

約数和(自身を除く): 100494918

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 145643, 291286, 436929, 873858, 1310787, 2621574, 4514933, 9029866, 13544799, 27089598, 40634397, 81268794]

約数ペア:

[(1, 81268794), (2, 40634397), (3, 27089598), (6, 13544799), (9, 9029866), (18, 4514933), (31, 2621574), (62, 1310787), (93, 873858), (186, 436929), (279, 291286), (558, 145643)]