202121381

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{154409}}^1$

素因数の和:154444

約数の個数: 16

約数和(自身を含む): 266820480

約数和(自身を除く): 64699099

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 154409, 1080863, 1698499, 2624953, 11889493, 18374671, 28874483, 202121381]

約数ペア:

[(1, 202121381), (7, 28874483), (11, 18374671), (17, 11889493), (77, 2624953), (119, 1698499), (187, 1080863), (1309, 154409)]