156720081

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{26003}}^1$

素因数の和:26061

約数の個数: 24

約数和(自身を含む): 249014304

約数和(自身を除く): 92294223

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 6027, 26003, 78009, 182021, 546063, 1066123, 1274147, 3198369, 3822441, 7462861, 22388583, 52240027, 156720081]

約数ペア:

[(1, 156720081), (3, 52240027), (7, 22388583), (21, 7462861), (41, 3822441), (49, 3198369), (123, 1274147), (147, 1066123), (287, 546063), (861, 182021), (2009, 78009), (6027, 26003)]