21787137027

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{5805259}}^1$

素因数の和:5805407

約数の個数: 16

約数和(自身を含む): 32509456000

約数和(自身を除く): 10722318973

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 5805259, 17415777, 52247331, 156741993, 806931001, 2420793003, 7262379009, 21787137027]

約数ペア:

[(1, 21787137027), (3, 7262379009), (9, 2420793003), (27, 806931001), (139, 156741993), (417, 52247331), (1251, 17415777), (3753, 5805259)]