7218180891

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{40099}}^1$

素因数の和:40280

約数の個数: 32

約数和(自身を含む): 10971360000

約数和(自身を除く): 3753179109

約数列:

[1, 3, 9, 27, 59, 113, 177, 339, 531, 1017, 1593, 3051, 6667, 20001, 40099, 60003, 120297, 180009, 360891, 1082673, 2365841, 4531187, 7097523, 13593561, 21292569, 40780683, 63877707, 122342049, 267340033, 802020099, 2406060297, 7218180891]

約数ペア:

[(1, 7218180891), (3, 2406060297), (9, 802020099), (27, 267340033), (59, 122342049), (113, 63877707), (177, 40780683), (339, 21292569), (531, 13593561), (1017, 7097523), (1593, 4531187), (3051, 2365841), (6667, 1082673), (20001, 360891), (40099, 180009), (60003, 120297)]