731115

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 1587456

約数和(自身を除く): 856341

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 211, 231, 315, 385, 495, 633, 693, 1055, 1155, 1477, 1899, 2321, 3165, 3465, 4431, 6963, 7385, 9495, 11605, 13293, 16247, 20889, 22155, 34815, 48741, 66465, 81235, 104445, 146223, 243705, 731115]

約数ペア:

[(1, 731115), (3, 243705), (5, 146223), (7, 104445), (9, 81235), (11, 66465), (15, 48741), (21, 34815), (33, 22155), (35, 20889), (45, 16247), (55, 13293), (63, 11605), (77, 9495), (99, 7385), (105, 6963), (165, 4431), (211, 3465), (231, 3165), (315, 2321), (385, 1899), (495, 1477), (633, 1155), (693, 1055)]