1320387579

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{115793}}^1$

素因数の和:115987

約数の個数: 24

約数和(自身を含む): 2191748832

約数和(自身を除く): 871361253

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1629, 3801, 11403, 115793, 347379, 810551, 1042137, 2431653, 7294959, 20958533, 62875599, 146709731, 188626797, 440129193, 1320387579]

約数ペア:

[(1, 1320387579), (3, 440129193), (7, 188626797), (9, 146709731), (21, 62875599), (63, 20958533), (181, 7294959), (543, 2431653), (1267, 1042137), (1629, 810551), (3801, 347379), (11403, 115793)]