180549985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{1693}}^1$

素因数の和:1993

約数の個数: 32

約数和(自身を含む): 271256832

約数和(自身を除く): 90706847

約数列:

[1, 5, 7, 11, 35, 55, 77, 277, 385, 1385, 1693, 1939, 3047, 8465, 9695, 11851, 15235, 18623, 21329, 59255, 93115, 106645, 130361, 468961, 651805, 2344805, 3282727, 5158571, 16413635, 25792855, 36109997, 180549985]

約数ペア:

[(1, 180549985), (5, 36109997), (7, 25792855), (11, 16413635), (35, 5158571), (55, 3282727), (77, 2344805), (277, 651805), (385, 468961), (1385, 130361), (1693, 106645), (1939, 93115), (3047, 59255), (8465, 21329), (9695, 18623), (11851, 15235)]