538452009

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{2417}}^1$

素因数の和:2686

約数の個数: 32

約数和(自身を含む): 823280640

約数和(自身を除く): 284828631

約数列:

[1, 3, 9, 27, 37, 111, 223, 333, 669, 999, 2007, 2417, 6021, 7251, 8251, 21753, 24753, 65259, 74259, 89429, 222777, 268287, 538991, 804861, 1616973, 2414583, 4850919, 14552757, 19942667, 59828001, 179484003, 538452009]

約数ペア:

[(1, 538452009), (3, 179484003), (9, 59828001), (27, 19942667), (37, 14552757), (111, 4850919), (223, 2414583), (333, 1616973), (669, 804861), (999, 538991), (2007, 268287), (2417, 222777), (6021, 89429), (7251, 74259), (8251, 65259), (21753, 24753)]