2029905

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 3569280

約数和(自身を除く): 1539375

約数列:

[1, 3, 5, 9, 15, 45, 79, 237, 395, 571, 711, 1185, 1713, 2855, 3555, 5139, 8565, 25695, 45109, 135327, 225545, 405981, 676635, 2029905]

約数ペア:

[(1, 2029905), (3, 676635), (5, 405981), (9, 225545), (15, 135327), (45, 45109), (79, 25695), (237, 8565), (395, 5139), (571, 3555), (711, 2855), (1185, 1713)]