212010057

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 361146240

約数和(自身を除く): 149136183

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 211, 287, 369, 389, 633, 861, 1167, 1477, 1899, 2583, 2723, 3501, 4431, 8169, 8651, 13293, 15949, 24507, 25953, 47847, 60557, 77859, 82079, 111643, 143541, 181671, 246237, 334929, 545013, 574553, 738711, 1004787, 1723659, 3365239, 5170977, 10095717, 23556673, 30287151, 70670019, 212010057]

約数ペア:

[(1, 212010057), (3, 70670019), (7, 30287151), (9, 23556673), (21, 10095717), (41, 5170977), (63, 3365239), (123, 1723659), (211, 1004787), (287, 738711), (369, 574553), (389, 545013), (633, 334929), (861, 246237), (1167, 181671), (1477, 143541), (1899, 111643), (2583, 82079), (2723, 77859), (3501, 60557), (4431, 47847), (8169, 25953), (8651, 24507), (13293, 15949)]