81390408

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{28027}}^1$

素因数の和:28058

約数の個数: 48

約数和(自身を含む): 223663440

約数和(自身を除く): 142273032

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 121, 132, 242, 264, 363, 484, 726, 968, 1452, 2904, 28027, 56054, 84081, 112108, 168162, 224216, 308297, 336324, 616594, 672648, 924891, 1233188, 1849782, 2466376, 3391267, 3699564, 6782534, 7399128, 10173801, 13565068, 20347602, 27130136, 40695204, 81390408]

約数ペア:

[(1, 81390408), (2, 40695204), (3, 27130136), (4, 20347602), (6, 13565068), (8, 10173801), (11, 7399128), (12, 6782534), (22, 3699564), (24, 3391267), (33, 2466376), (44, 1849782), (66, 1233188), (88, 924891), (121, 672648), (132, 616594), (242, 336324), (264, 308297), (363, 224216), (484, 168162), (726, 112108), (968, 84081), (1452, 56054), (2904, 28027)]