227914921

素因数分解:

${\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 256375680

約数和(自身を除く): 28460759

約数列:

[1, 13, 43, 79, 169, 397, 559, 1027, 3397, 5161, 7267, 13351, 17071, 31363, 44161, 67093, 221923, 407719, 574093, 1348609, 2884999, 5300347, 17531917, 227914921]

約数ペア:

[(1, 227914921), (13, 17531917), (43, 5300347), (79, 2884999), (169, 1348609), (397, 574093), (559, 407719), (1027, 221923), (3397, 67093), (5161, 44161), (7267, 31363), (13351, 17071)]