164161809

素因数分解:

$3^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{811}}^1$

素因数の和:857

約数の個数: 72

約数和(自身を含む): 303252768

約数和(自身を除く): 139090959

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 81, 119, 147, 153, 189, 243, 357, 441, 459, 567, 811, 833, 1071, 1323, 1377, 1701, 2433, 2499, 3213, 3969, 4131, 5677, 7299, 7497, 9639, 11907, 13787, 17031, 21897, 22491, 28917, 39739, 41361, 51093, 65691, 67473, 96509, 119217, 124083, 153279, 197073, 202419, 289527, 357651, 372249, 459837, 675563, 868581, 1072953, 1116747, 1379511, 2026689, 2605743, 3218859, 3350241, 6080067, 7817229, 9656577, 18240201, 23451687, 54720603, 164161809]

約数ペア:

[(1, 164161809), (3, 54720603), (7, 23451687), (9, 18240201), (17, 9656577), (21, 7817229), (27, 6080067), (49, 3350241), (51, 3218859), (63, 2605743), (81, 2026689), (119, 1379511), (147, 1116747), (153, 1072953), (189, 868581), (243, 675563), (357, 459837), (441, 372249), (459, 357651), (567, 289527), (811, 202419), (833, 197073), (1071, 153279), (1323, 124083), (1377, 119217), (1701, 96509), (2433, 67473), (2499, 65691), (3213, 51093), (3969, 41361), (4131, 39739), (5677, 28917), (7299, 22491), (7497, 21897), (9639, 17031), (11907, 13787)]