81428607

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 132874560

約数和(自身を除く): 51445953

約数列:

[1, 3, 9, 13, 29, 39, 87, 103, 117, 233, 261, 309, 377, 699, 927, 1131, 1339, 2097, 2987, 3029, 3393, 4017, 6757, 8961, 9087, 12051, 20271, 23999, 26883, 27261, 38831, 60813, 71997, 87841, 116493, 215991, 263523, 311987, 349479, 695971, 790569, 935961, 2087913, 2807883, 6263739, 9047623, 27142869, 81428607]

約数ペア:

[(1, 81428607), (3, 27142869), (9, 9047623), (13, 6263739), (29, 2807883), (39, 2087913), (87, 935961), (103, 790569), (117, 695971), (233, 349479), (261, 311987), (309, 263523), (377, 215991), (699, 116493), (927, 87841), (1131, 71997), (1339, 60813), (2097, 38831), (2987, 27261), (3029, 26883), (3393, 23999), (4017, 20271), (6757, 12051), (8961, 9087)]