156870021

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13859}}^1$

素因数の和:13894

約数の個数: 32

約数和(自身を含む): 266112000

約数和(自身を除く): 109241979

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 343, 539, 1029, 1617, 3773, 11319, 13859, 41577, 97013, 152449, 291039, 457347, 679091, 1067143, 2037273, 3201429, 4753637, 7470001, 14260911, 22410003, 52290007, 156870021]

約数ペア:

[(1, 156870021), (3, 52290007), (7, 22410003), (11, 14260911), (21, 7470001), (33, 4753637), (49, 3201429), (77, 2037273), (147, 1067143), (231, 679091), (343, 457347), (539, 291039), (1029, 152449), (1617, 97013), (3773, 41577), (11319, 13859)]