156928821

素因数分解:

$3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{5419}}^1$

素因数の和:5633

約数の個数: 24

約数和(自身を含む): 244680480

約数和(自身を除く): 87751659

約数列:

[1, 3, 7, 21, 49, 147, 197, 591, 1379, 4137, 5419, 9653, 16257, 28959, 37933, 113799, 265531, 796593, 1067543, 3202629, 7472801, 22418403, 52309607, 156928821]

約数ペア:

[(1, 156928821), (3, 52309607), (7, 22418403), (21, 7472801), (49, 3202629), (147, 1067543), (197, 796593), (591, 265531), (1379, 113799), (4137, 37933), (5419, 28959), (9653, 16257)]