2144961

素因数分解:

$3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:132

約数の個数: 48

約数和(自身を含む): 3995264

約数和(自身を除く): 1850303

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 97, 117, 189, 243, 273, 291, 351, 567, 679, 819, 873, 1053, 1261, 1701, 2037, 2457, 2619, 3159, 3783, 6111, 7371, 7857, 8827, 11349, 18333, 22113, 23571, 26481, 34047, 54999, 79443, 102141, 164997, 238329, 306423, 714987, 2144961]

約数ペア:

[(1, 2144961), (3, 714987), (7, 306423), (9, 238329), (13, 164997), (21, 102141), (27, 79443), (39, 54999), (63, 34047), (81, 26481), (91, 23571), (97, 22113), (117, 18333), (189, 11349), (243, 8827), (273, 7857), (291, 7371), (351, 6111), (567, 3783), (679, 3159), (819, 2619), (873, 2457), (1053, 2037), (1261, 1701)]