38936781

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{359}}^1$

素因数の和:487

約数の個数: 40

約数和(自身を含む): 63423360

約数和(自身を除く): 24486579

約数列:

[1, 3, 9, 13, 27, 39, 81, 103, 117, 309, 351, 359, 927, 1053, 1077, 1339, 2781, 3231, 4017, 4667, 8343, 9693, 12051, 14001, 29079, 36153, 36977, 42003, 108459, 110931, 126009, 332793, 378027, 480701, 998379, 1442103, 2995137, 4326309, 12978927, 38936781]

約数ペア:

[(1, 38936781), (3, 12978927), (9, 4326309), (13, 2995137), (27, 1442103), (39, 998379), (81, 480701), (103, 378027), (117, 332793), (309, 126009), (351, 110931), (359, 108459), (927, 42003), (1053, 36977), (1077, 36153), (1339, 29079), (2781, 14001), (3231, 12051), (4017, 9693), (4667, 8343)]