80642121

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 126739200

約数和(自身を除く): 46097079

約数列:

[1, 3, 7, 21, 41, 123, 229, 287, 409, 687, 861, 1227, 1603, 2863, 4809, 8589, 9389, 16769, 28167, 50307, 65723, 93661, 117383, 197169, 280983, 352149, 655627, 1966881, 3840101, 11520303, 26880707, 80642121]

約数ペア:

[(1, 80642121), (3, 26880707), (7, 11520303), (21, 3840101), (41, 1966881), (123, 655627), (229, 352149), (287, 280983), (409, 197169), (687, 117383), (861, 93661), (1227, 65723), (1603, 50307), (2863, 28167), (4809, 16769), (8589, 9389)]