72688239

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 123849600

約数和(自身を除く): 51161361

約数列:

[1, 3, 9, 13, 27, 29, 37, 39, 87, 111, 117, 193, 261, 333, 351, 377, 481, 579, 783, 999, 1073, 1131, 1443, 1737, 2509, 3219, 3393, 4329, 5211, 5597, 7141, 7527, 9657, 10179, 12987, 13949, 16791, 21423, 22581, 28971, 41847, 50373, 64269, 67743, 72761, 92833, 125541, 151119, 192807, 207089, 218283, 278499, 376623, 621267, 654849, 835497, 1863801, 1964547, 2506491, 2692157, 5591403, 8076471, 24229413, 72688239]

約数ペア:

[(1, 72688239), (3, 24229413), (9, 8076471), (13, 5591403), (27, 2692157), (29, 2506491), (37, 1964547), (39, 1863801), (87, 835497), (111, 654849), (117, 621267), (193, 376623), (261, 278499), (333, 218283), (351, 207089), (377, 192807), (481, 151119), (579, 125541), (783, 92833), (999, 72761), (1073, 67743), (1131, 64269), (1443, 50373), (1737, 41847), (2509, 28971), (3219, 22581), (3393, 21423), (4329, 16791), (5211, 13949), (5597, 12987), (7141, 10179), (7527, 9657)]