211432815

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{823}}^1$

素因数の和:1021

約数の個数: 64

約数和(自身を含む): 412922880

約数和(自身を除く): 201490065

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 173, 297, 495, 519, 823, 865, 1485, 1557, 1903, 2469, 2595, 4115, 4671, 5709, 7407, 7785, 9053, 9515, 12345, 17127, 22221, 23355, 27159, 28545, 37035, 45265, 51381, 81477, 85635, 111105, 135795, 142379, 244431, 256905, 407385, 427137, 711895, 1222155, 1281411, 1566169, 2135685, 3844233, 4698507, 6407055, 7830845, 14095521, 19221165, 23492535, 42286563, 70477605, 211432815]

約数ペア:

[(1, 211432815), (3, 70477605), (5, 42286563), (9, 23492535), (11, 19221165), (15, 14095521), (27, 7830845), (33, 6407055), (45, 4698507), (55, 3844233), (99, 2135685), (135, 1566169), (165, 1281411), (173, 1222155), (297, 711895), (495, 427137), (519, 407385), (823, 256905), (865, 244431), (1485, 142379), (1557, 135795), (1903, 111105), (2469, 85635), (2595, 81477), (4115, 51381), (4671, 45265), (5709, 37035), (7407, 28545), (7785, 27159), (9053, 23355), (9515, 22221), (12345, 17127)]