38920581

素因数分解:

$3^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:317

約数の個数: 56

約数和(自身を含む): 69252480

約数和(自身を除く): 30331899

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 243, 261, 263, 567, 609, 729, 783, 789, 1701, 1827, 1841, 2349, 2367, 5103, 5481, 5523, 7047, 7101, 7627, 16443, 16569, 21141, 21303, 22881, 49329, 49707, 53389, 63909, 68643, 147987, 149121, 160167, 191727, 205929, 447363, 480501, 617787, 1342089, 1441503, 1853361, 4324509, 5560083, 12973527, 38920581]

約数ペア:

[(1, 38920581), (3, 12973527), (7, 5560083), (9, 4324509), (21, 1853361), (27, 1441503), (29, 1342089), (63, 617787), (81, 480501), (87, 447363), (189, 205929), (203, 191727), (243, 160167), (261, 149121), (263, 147987), (567, 68643), (609, 63909), (729, 53389), (783, 49707), (789, 49329), (1701, 22881), (1827, 21303), (1841, 21141), (2349, 16569), (2367, 16443), (5103, 7627), (5481, 7101), (5523, 7047)]