71319573

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1559}}^1$

素因数の和:1618

約数の個数: 48

約数和(自身を含む): 122653440

約数和(自身を除く): 51333867

約数列:

[1, 3, 9, 13, 17, 23, 39, 51, 69, 117, 153, 207, 221, 299, 391, 663, 897, 1173, 1559, 1989, 2691, 3519, 4677, 5083, 14031, 15249, 20267, 26503, 35857, 45747, 60801, 79509, 107571, 182403, 238527, 322713, 344539, 466141, 609569, 1033617, 1398423, 1828707, 3100851, 4195269, 5486121, 7924397, 23773191, 71319573]

約数ペア:

[(1, 71319573), (3, 23773191), (9, 7924397), (13, 5486121), (17, 4195269), (23, 3100851), (39, 1828707), (51, 1398423), (69, 1033617), (117, 609569), (153, 466141), (207, 344539), (221, 322713), (299, 238527), (391, 182403), (663, 107571), (897, 79509), (1173, 60801), (1559, 45747), (1989, 35857), (2691, 26503), (3519, 20267), (4677, 15249), (5083, 14031)]