168221745

素因数分解:

$3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{8363}}^1$

素因数の和:8526

約数の個数: 32

約数和(自身を含む): 301104000

約数和(自身を除く): 132882255

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149, 447, 745, 1341, 2235, 4023, 6705, 8363, 20115, 25089, 41815, 75267, 125445, 225801, 376335, 1129005, 1246087, 3738261, 6230435, 11214783, 18691305, 33644349, 56073915, 168221745]

約数ペア:

[(1, 168221745), (3, 56073915), (5, 33644349), (9, 18691305), (15, 11214783), (27, 6230435), (45, 3738261), (135, 1246087), (149, 1129005), (447, 376335), (745, 225801), (1341, 125445), (2235, 75267), (4023, 41815), (6705, 25089), (8363, 20115)]