26894511

素因数分解:

$3^5\times 7^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 46801664

約数和(自身を除く): 19907153

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 97, 163, 189, 243, 291, 489, 567, 679, 873, 1141, 1467, 1701, 2037, 2619, 3423, 4401, 6111, 7857, 10269, 13203, 15811, 18333, 23571, 30807, 39609, 47433, 54999, 92421, 110677, 142299, 164997, 277263, 332031, 426897, 996093, 1280691, 2988279, 3842073, 8964837, 26894511]

約数ペア:

[(1, 26894511), (3, 8964837), (7, 3842073), (9, 2988279), (21, 1280691), (27, 996093), (63, 426897), (81, 332031), (97, 277263), (163, 164997), (189, 142299), (243, 110677), (291, 92421), (489, 54999), (567, 47433), (679, 39609), (873, 30807), (1141, 23571), (1467, 18333), (1701, 15811), (2037, 13203), (2619, 10269), (3423, 7857), (4401, 6111)]