156721719

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{5179}}^1$

素因数の和:5331

約数の個数: 32

約数和(自身を含む): 262563840

約数和(自身を除く): 105842121

約数列:

[1, 3, 7, 11, 21, 33, 77, 131, 231, 393, 917, 1441, 2751, 4323, 5179, 10087, 15537, 30261, 36253, 56969, 108759, 170907, 398783, 678449, 1196349, 2035347, 4749143, 7462939, 14247429, 22388817, 52240573, 156721719]

約数ペア:

[(1, 156721719), (3, 52240573), (7, 22388817), (11, 14247429), (21, 7462939), (33, 4749143), (77, 2035347), (131, 1196349), (231, 678449), (393, 398783), (917, 170907), (1441, 108759), (2751, 56969), (4323, 36253), (5179, 30261), (10087, 15537)]