15768207

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1481}}^1$

素因数の和:1520

約数の個数: 36

約数和(自身を含む): 28205424

約数和(自身を除く): 12437217

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1481, 1521, 3549, 4443, 10367, 10647, 13329, 19253, 31101, 57759, 93303, 134771, 173277, 250289, 404313, 750867, 1212939, 1752023, 2252601, 5256069, 15768207]

約数ペア:

[(1, 15768207), (3, 5256069), (7, 2252601), (9, 1752023), (13, 1212939), (21, 750867), (39, 404313), (63, 250289), (91, 173277), (117, 134771), (169, 93303), (273, 57759), (507, 31101), (819, 19253), (1183, 13329), (1481, 10647), (1521, 10367), (3549, 4443)]