81457902

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{238181}}^1$

素因数の和:238208

約数の個数: 24

約数和(自身を含む): 185781960

約数和(自身を除く): 104324058

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 238181, 476362, 714543, 1429086, 2143629, 4287258, 4525439, 9050878, 13576317, 27152634, 40728951, 81457902]

約数ペア:

[(1, 81457902), (2, 40728951), (3, 27152634), (6, 13576317), (9, 9050878), (18, 4525439), (19, 4287258), (38, 2143629), (57, 1429086), (114, 714543), (171, 476362), (342, 238181)]