156780729

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{653}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 268799232

約数和(自身を除く): 112018503

約数列:

[1, 3, 7, 9, 21, 37, 63, 103, 111, 259, 309, 333, 653, 721, 777, 927, 1959, 2163, 2331, 3811, 4571, 5877, 6489, 11433, 13713, 24161, 26677, 34299, 41139, 67259, 72483, 80031, 169127, 201777, 217449, 240093, 470813, 507381, 605331, 1412439, 1522143, 2488583, 4237317, 7465749, 17420081, 22397247, 52260243, 156780729]

約数ペア:

[(1, 156780729), (3, 52260243), (7, 22397247), (9, 17420081), (21, 7465749), (37, 4237317), (63, 2488583), (103, 1522143), (111, 1412439), (259, 605331), (309, 507381), (333, 470813), (653, 240093), (721, 217449), (777, 201777), (927, 169127), (1959, 80031), (2163, 72483), (2331, 67259), (3811, 41139), (4571, 34299), (5877, 26677), (6489, 24161), (11433, 13713)]