1320199257

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 1979255040

約数和(自身を除く): 659055783

約数列:

[1, 3, 13, 37, 39, 79, 111, 237, 313, 481, 939, 1027, 1369, 1443, 2923, 3081, 4069, 4107, 8769, 11581, 12207, 17797, 24727, 34743, 37999, 53391, 74181, 108151, 113997, 150553, 321451, 324453, 428497, 451659, 914899, 964353, 1285491, 1405963, 2744697, 4217889, 5570461, 11893687, 16711383, 33851263, 35681061, 101553789, 440066419, 1320199257]

約数ペア:

[(1, 1320199257), (3, 440066419), (13, 101553789), (37, 35681061), (39, 33851263), (79, 16711383), (111, 11893687), (237, 5570461), (313, 4217889), (481, 2744697), (939, 1405963), (1027, 1285491), (1369, 964353), (1443, 914899), (2923, 451659), (3081, 428497), (4069, 324453), (4107, 321451), (8769, 150553), (11581, 113997), (12207, 108151), (17797, 74181), (24727, 53391), (34743, 37999)]