90012897

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 153216000

約数和(自身を除く): 63203103

約数列:

[1, 3, 9, 13, 27, 29, 37, 39, 87, 111, 117, 239, 261, 333, 351, 377, 481, 717, 783, 999, 1073, 1131, 1443, 2151, 3107, 3219, 3393, 4329, 6453, 6931, 8843, 9321, 9657, 10179, 12987, 13949, 20793, 26529, 27963, 28971, 41847, 62379, 79587, 83889, 90103, 114959, 125541, 187137, 238761, 256447, 270309, 344877, 376623, 769341, 810927, 1034631, 2308023, 2432781, 3103893, 3333811, 6924069, 10001433, 30004299, 90012897]

約数ペア:

[(1, 90012897), (3, 30004299), (9, 10001433), (13, 6924069), (27, 3333811), (29, 3103893), (37, 2432781), (39, 2308023), (87, 1034631), (111, 810927), (117, 769341), (239, 376623), (261, 344877), (333, 270309), (351, 256447), (377, 238761), (481, 187137), (717, 125541), (783, 114959), (999, 90103), (1073, 83889), (1131, 79587), (1443, 62379), (2151, 41847), (3107, 28971), (3219, 27963), (3393, 26529), (4329, 20793), (6453, 13949), (6931, 12987), (8843, 10179), (9321, 9657)]