28287333

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{823}}^1$

素因数の和:918

約数の個数: 32

約数和(自身を含む): 44825600

約数和(自身を除く): 16538267

約数列:

[1, 3, 9, 19, 27, 57, 67, 171, 201, 513, 603, 823, 1273, 1809, 2469, 3819, 7407, 11457, 15637, 22221, 34371, 46911, 55141, 140733, 165423, 422199, 496269, 1047679, 1488807, 3143037, 9429111, 28287333]

約数ペア:

[(1, 28287333), (3, 9429111), (9, 3143037), (19, 1488807), (27, 1047679), (57, 496269), (67, 422199), (171, 165423), (201, 140733), (513, 55141), (603, 46911), (823, 34371), (1273, 22221), (1809, 15637), (2469, 11457), (3819, 7407)]