28170018

素因数分解:

$2^1\times 3^6\times {\mathrm{139}}^2$

素因数の和:298

約数の個数: 42

約数和(自身を含む): 63812619

約数和(自身を除く): 35642601

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 139, 162, 243, 278, 417, 486, 729, 834, 1251, 1458, 2502, 3753, 7506, 11259, 19321, 22518, 33777, 38642, 57963, 67554, 101331, 115926, 173889, 202662, 347778, 521667, 1043334, 1565001, 3130002, 4695003, 9390006, 14085009, 28170018]

約数ペア:

[(1, 28170018), (2, 14085009), (3, 9390006), (6, 4695003), (9, 3130002), (18, 1565001), (27, 1043334), (54, 521667), (81, 347778), (139, 202662), (162, 173889), (243, 115926), (278, 101331), (417, 67554), (486, 57963), (729, 38642), (834, 33777), (1251, 22518), (1458, 19321), (2502, 11259), (3753, 7506)]