15809997

素因数分解:

$3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:969

約数の個数: 24

約数和(自身を含む): 24738912

約数和(自身を除く): 8928915

約数列:

[1, 3, 7, 21, 49, 131, 147, 393, 821, 917, 2463, 2751, 5747, 6419, 17241, 19257, 40229, 107551, 120687, 322653, 752857, 2258571, 5269999, 15809997]

約数ペア:

[(1, 15809997), (3, 5269999), (7, 2258571), (21, 752857), (49, 322653), (131, 120687), (147, 107551), (393, 40229), (821, 19257), (917, 17241), (2463, 6419), (2751, 5747)]