156635997

素因数分解:

$3^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{2531}}^1$

素因数の和:2969

約数の個数: 24

約数和(自身を含む): 243618912

約数和(自身を除く): 86982915

約数列:

[1, 3, 7, 21, 49, 147, 421, 1263, 2531, 2947, 7593, 8841, 17717, 20629, 53151, 61887, 124019, 372057, 1065551, 3196653, 7458857, 22376571, 52211999, 156635997]

約数ペア:

[(1, 156635997), (3, 52211999), (7, 22376571), (21, 7458857), (49, 3196653), (147, 1065551), (421, 372057), (1263, 124019), (2531, 61887), (2947, 53151), (7593, 20629), (8841, 17717)]