1320783841

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{21649}}^1$

素因数の和:21713

約数の個数: 18

約数和(自身を含む): 1509502950

約数和(自身を除く): 188719109

約数列:

[1, 13, 19, 169, 247, 361, 3211, 4693, 21649, 61009, 281437, 411331, 3658681, 5347303, 7815289, 69514939, 101598757, 1320783841]

約数ペア:

[(1, 1320783841), (13, 101598757), (19, 69514939), (169, 7815289), (247, 5347303), (361, 3658681), (3211, 411331), (4693, 281437), (21649, 61009)]