142780209

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1381}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 224746368

約数和(自身を除く): 81966159

約数列:

[1, 3, 11, 13, 33, 39, 143, 241, 429, 723, 1381, 2651, 3133, 4143, 7953, 9399, 15191, 17953, 34463, 45573, 53859, 103389, 197483, 332821, 592449, 998463, 3661031, 4326673, 10983093, 12980019, 47593403, 142780209]

約数ペア:

[(1, 142780209), (3, 47593403), (11, 12980019), (13, 10983093), (33, 4326673), (39, 3661031), (143, 998463), (241, 592449), (429, 332821), (723, 197483), (1381, 103389), (2651, 53859), (3133, 45573), (4143, 34463), (7953, 17953), (9399, 15191)]