23521221

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2053}}^1$

素因数の和:2145

約数の個数: 24

約数和(自身を含む): 36314720

約数和(自身を除く): 12793499

約数列:

[1, 3, 9, 19, 57, 67, 171, 201, 603, 1273, 2053, 3819, 6159, 11457, 18477, 39007, 117021, 137551, 351063, 412653, 1237959, 2613469, 7840407, 23521221]

約数ペア:

[(1, 23521221), (3, 7840407), (9, 2613469), (19, 1237959), (57, 412653), (67, 351063), (171, 137551), (201, 117021), (603, 39007), (1273, 18477), (2053, 11457), (3819, 6159)]