28589571

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:336

約数の個数: 32

約数和(自身を含む): 43718400

約数和(自身を除く): 15128829

約数列:

[1, 3, 9, 27, 59, 131, 137, 177, 393, 411, 531, 1179, 1233, 1593, 3537, 3699, 7729, 8083, 17947, 23187, 24249, 53841, 69561, 72747, 161523, 208683, 218241, 484569, 1058873, 3176619, 9529857, 28589571]

約数ペア:

[(1, 28589571), (3, 9529857), (9, 3176619), (27, 1058873), (59, 484569), (131, 218241), (137, 208683), (177, 161523), (393, 72747), (411, 69561), (531, 53841), (1179, 24249), (1233, 23187), (1593, 17947), (3537, 8083), (3699, 7729)]