12928503

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2377}}^1$

素因数の和:2431

約数の個数: 24

約数和(自身を含む): 20602992

約数和(自身を除く): 7674489

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 2377, 5439, 7131, 16639, 49917, 87949, 116473, 263847, 349419, 615643, 1846929, 4309501, 12928503]

約数ペア:

[(1, 12928503), (3, 4309501), (7, 1846929), (21, 615643), (37, 349419), (49, 263847), (111, 116473), (147, 87949), (259, 49917), (777, 16639), (1813, 7131), (2377, 5439)]