15770209

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1349

約数の個数: 24

約数和(自身を含む): 20811840

約数和(自身を除く): 5041631

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 637, 931, 1303, 1729, 9121, 12103, 16939, 24757, 63847, 118573, 173299, 321841, 830011, 1213093, 2252887, 15770209]

約数ペア:

[(1, 15770209), (7, 2252887), (13, 1213093), (19, 830011), (49, 321841), (91, 173299), (133, 118573), (247, 63847), (637, 24757), (931, 16939), (1303, 12103), (1729, 9121)]