2939391

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 5422144

約数和(自身を除く): 2482753

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 63, 91, 97, 111, 117, 259, 273, 291, 333, 481, 679, 777, 819, 873, 1261, 1443, 2037, 2331, 3367, 3589, 3783, 4329, 6111, 8827, 10101, 10767, 11349, 25123, 26481, 30303, 32301, 46657, 75369, 79443, 139971, 226107, 326599, 419913, 979797, 2939391]

約数ペア:

[(1, 2939391), (3, 979797), (7, 419913), (9, 326599), (13, 226107), (21, 139971), (37, 79443), (39, 75369), (63, 46657), (91, 32301), (97, 30303), (111, 26481), (117, 25123), (259, 11349), (273, 10767), (291, 10101), (333, 8827), (481, 6111), (679, 4329), (777, 3783), (819, 3589), (873, 3367), (1261, 2331), (1443, 2037)]