2019963135

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 3362964480

約数和(自身を除く): 1343001345

約数列:

[1, 3, 5, 15, 71, 89, 101, 211, 213, 267, 303, 355, 445, 505, 633, 1055, 1065, 1335, 1515, 3165, 6319, 7171, 8989, 14981, 18779, 18957, 21311, 21513, 26967, 31595, 35855, 44943, 44945, 56337, 63933, 74905, 93895, 94785, 106555, 107565, 134835, 224715, 281685, 319665, 638219, 1333309, 1513081, 1896679, 1914657, 3191095, 3999927, 4539243, 5690037, 6666545, 7565405, 9483395, 9573285, 19999635, 22696215, 28450185, 134664209, 403992627, 673321045, 2019963135]

約数ペア:

[(1, 2019963135), (3, 673321045), (5, 403992627), (15, 134664209), (71, 28450185), (89, 22696215), (101, 19999635), (211, 9573285), (213, 9483395), (267, 7565405), (303, 6666545), (355, 5690037), (445, 4539243), (505, 3999927), (633, 3191095), (1055, 1914657), (1065, 1896679), (1335, 1513081), (1515, 1333309), (3165, 638219), (6319, 319665), (7171, 281685), (8989, 224715), (14981, 134835), (18779, 107565), (18957, 106555), (21311, 94785), (21513, 93895), (26967, 74905), (31595, 63933), (35855, 56337), (44943, 44945)]