81863784

素因数分解:

$2^3\times 3^7\times {\mathrm{4679}}^1$

素因数の和:4706

約数の個数: 64

約数和(自身を含む): 230256000

約数和(自身を除く): 148392216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 729, 972, 1458, 1944, 2187, 2916, 4374, 4679, 5832, 8748, 9358, 14037, 17496, 18716, 28074, 37432, 42111, 56148, 84222, 112296, 126333, 168444, 252666, 336888, 378999, 505332, 757998, 1010664, 1136997, 1515996, 2273994, 3031992, 3410991, 4547988, 6821982, 9095976, 10232973, 13643964, 20465946, 27287928, 40931892, 81863784]

約数ペア:

[(1, 81863784), (2, 40931892), (3, 27287928), (4, 20465946), (6, 13643964), (8, 10232973), (9, 9095976), (12, 6821982), (18, 4547988), (24, 3410991), (27, 3031992), (36, 2273994), (54, 1515996), (72, 1136997), (81, 1010664), (108, 757998), (162, 505332), (216, 378999), (243, 336888), (324, 252666), (486, 168444), (648, 126333), (729, 112296), (972, 84222), (1458, 56148), (1944, 42111), (2187, 37432), (2916, 28074), (4374, 18716), (4679, 17496), (5832, 14037), (8748, 9358)]