420210879

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{15937}}^1$

素因数の和:16015

約数の個数: 32

約数和(自身を含む): 660980736

約数和(自身を除く): 240769857

約数列:

[1, 3, 11, 17, 33, 47, 51, 141, 187, 517, 561, 799, 1551, 2397, 8789, 15937, 26367, 47811, 175307, 270929, 525921, 749039, 812787, 2247117, 2980219, 8239429, 8940657, 12733663, 24718287, 38200989, 140070293, 420210879]

約数ペア:

[(1, 420210879), (3, 140070293), (11, 38200989), (17, 24718287), (33, 12733663), (47, 8940657), (51, 8239429), (141, 2980219), (187, 2247117), (517, 812787), (561, 749039), (799, 525921), (1551, 270929), (2397, 175307), (8789, 47811), (15937, 26367)]