81631422

素因数分解:

$2^1\times 3^3\times {\mathrm{643}}^1\times {\mathrm{2351}}^1$

素因数の和:3005

約数の個数: 32

約数和(自身を含む): 181762560

約数和(自身を除く): 100131138

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 643, 1286, 1929, 2351, 3858, 4702, 5787, 7053, 11574, 14106, 17361, 21159, 34722, 42318, 63477, 126954, 1511693, 3023386, 4535079, 9070158, 13605237, 27210474, 40815711, 81631422]

約数ペア:

[(1, 81631422), (2, 40815711), (3, 27210474), (6, 13605237), (9, 9070158), (18, 4535079), (27, 3023386), (54, 1511693), (643, 126954), (1286, 63477), (1929, 42318), (2351, 34722), (3858, 21159), (4702, 17361), (5787, 14106), (7053, 11574)]