28245231

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2477}}^1$

素因数の和:2671

約数の個数: 24

約数和(自身を含む): 46903584

約数和(自身を除く): 18658353

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1629, 2477, 3801, 7431, 11403, 17339, 22293, 52017, 156051, 448337, 1345011, 3138359, 4035033, 9415077, 28245231]

約数ペア:

[(1, 28245231), (3, 9415077), (7, 4035033), (9, 3138359), (21, 1345011), (63, 448337), (181, 156051), (543, 52017), (1267, 22293), (1629, 17339), (2477, 11403), (3801, 7431)]