321998547

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{6653}}^1$

素因数の和:6759

約数の個数: 32

約数和(自身を含む): 496335168

約数和(自身を除く): 174336621

約数列:

[1, 3, 13, 17, 39, 51, 73, 219, 221, 663, 949, 1241, 2847, 3723, 6653, 16133, 19959, 48399, 86489, 113101, 259467, 339303, 485669, 1457007, 1470313, 4410939, 6313697, 8256373, 18941091, 24769119, 107332849, 321998547]

約数ペア:

[(1, 321998547), (3, 107332849), (13, 24769119), (17, 18941091), (39, 8256373), (51, 6313697), (73, 4410939), (219, 1470313), (221, 1457007), (663, 485669), (949, 339303), (1241, 259467), (2847, 113101), (3723, 86489), (6653, 48399), (16133, 19959)]