217577556

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{287801}}^1$

素因数の和:287821

約数の個数: 48

約数和(自身を含む): 644676480

約数和(自身を除く): 427098924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 287801, 575602, 863403, 1151204, 1726806, 2014607, 2590209, 3453612, 4029214, 5180418, 6043821, 7770627, 8058428, 10360836, 12087642, 15541254, 18131463, 24175284, 31082508, 36262926, 54394389, 72525852, 108788778, 217577556]

約数ペア:

[(1, 217577556), (2, 108788778), (3, 72525852), (4, 54394389), (6, 36262926), (7, 31082508), (9, 24175284), (12, 18131463), (14, 15541254), (18, 12087642), (21, 10360836), (27, 8058428), (28, 7770627), (36, 6043821), (42, 5180418), (54, 4029214), (63, 3453612), (84, 2590209), (108, 2014607), (126, 1726806), (189, 1151204), (252, 863403), (378, 575602), (756, 287801)]