28648989

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 42800160

約数和(自身を除く): 14151171

約数列:

[1, 3, 9, 37, 111, 227, 333, 379, 681, 1137, 2043, 3411, 8399, 14023, 25197, 42069, 75591, 86033, 126207, 258099, 774297, 3183221, 9549663, 28648989]

約数ペア:

[(1, 28648989), (3, 9549663), (9, 3183221), (37, 774297), (111, 258099), (227, 126207), (333, 86033), (379, 75591), (681, 42069), (1137, 25197), (2043, 14023), (3411, 8399)]