81615654

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{28517}}^1$

素因数の和:28581

約数の個数: 32

約数和(自身を含む): 184796640

約数和(自身を除く): 103180986

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 106, 159, 318, 477, 954, 1431, 2862, 28517, 57034, 85551, 171102, 256653, 513306, 769959, 1511401, 1539918, 3022802, 4534203, 9068406, 13602609, 27205218, 40807827, 81615654]

約数ペア:

[(1, 81615654), (2, 40807827), (3, 27205218), (6, 13602609), (9, 9068406), (18, 4534203), (27, 3022802), (53, 1539918), (54, 1511401), (106, 769959), (159, 513306), (318, 256653), (477, 171102), (954, 85551), (1431, 57034), (2862, 28517)]