258644799

素因数分解:

$3^3\times 7^1\times {\mathrm{1368491}}^1$

素因数の和:1368507

約数の個数: 16

約数和(自身を含む): 437917440

約数和(自身を除く): 179272641

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1368491, 4105473, 9579437, 12316419, 28738311, 36949257, 86214933, 258644799]

約数ペア:

[(1, 258644799), (3, 86214933), (7, 36949257), (9, 28738311), (21, 12316419), (27, 9579437), (63, 4105473), (189, 1368491)]