2303847

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 4280640

約数和(自身を除く): 1976793

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 63, 87, 91, 97, 117, 203, 261, 273, 291, 377, 609, 679, 819, 873, 1131, 1261, 1827, 2037, 2639, 2813, 3393, 3783, 6111, 7917, 8439, 8827, 11349, 19691, 23751, 25317, 26481, 36569, 59073, 79443, 109707, 177219, 255983, 329121, 767949, 2303847]

約数ペア:

[(1, 2303847), (3, 767949), (7, 329121), (9, 255983), (13, 177219), (21, 109707), (29, 79443), (39, 59073), (63, 36569), (87, 26481), (91, 25317), (97, 23751), (117, 19691), (203, 11349), (261, 8827), (273, 8439), (291, 7917), (377, 6111), (609, 3783), (679, 3393), (819, 2813), (873, 2639), (1131, 2037), (1261, 1827)]