28484895

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1123}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 48556800

約数和(自身を除く): 20071905

約数列:

[1, 3, 5, 15, 19, 57, 89, 95, 267, 285, 445, 1123, 1335, 1691, 3369, 5073, 5615, 8455, 16845, 21337, 25365, 64011, 99947, 106685, 299841, 320055, 499735, 1499205, 1898993, 5696979, 9494965, 28484895]

約数ペア:

[(1, 28484895), (3, 9494965), (5, 5696979), (15, 1898993), (19, 1499205), (57, 499735), (89, 320055), (95, 299841), (267, 106685), (285, 99947), (445, 64011), (1123, 25365), (1335, 21337), (1691, 16845), (3369, 8455), (5073, 5615)]