156969183

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1\times {\mathrm{293}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 243403776

約数和(自身を除く): 86434593

約数列:

[1, 3, 7, 21, 97, 263, 291, 293, 679, 789, 879, 1841, 2037, 2051, 5523, 6153, 25511, 28421, 76533, 77059, 85263, 178577, 198947, 231177, 535731, 539413, 596841, 1618239, 7474723, 22424169, 52323061, 156969183]

約数ペア:

[(1, 156969183), (3, 52323061), (7, 22424169), (21, 7474723), (97, 1618239), (263, 596841), (291, 539413), (293, 535731), (679, 231177), (789, 198947), (879, 178577), (1841, 85263), (2037, 77059), (2051, 76533), (5523, 28421), (6153, 25511)]