80720607

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7573}}^1$

素因数の和:7623

約数の個数: 32

約数和(自身を含む): 130878720

約数和(自身を除く): 50158113

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 187, 209, 323, 561, 627, 969, 3553, 7573, 10659, 22719, 83303, 128741, 143887, 249909, 386223, 431661, 1416151, 1582757, 2446079, 4248453, 4748271, 7338237, 26906869, 80720607]

約数ペア:

[(1, 80720607), (3, 26906869), (11, 7338237), (17, 4748271), (19, 4248453), (33, 2446079), (51, 1582757), (57, 1416151), (187, 431661), (209, 386223), (323, 249909), (561, 143887), (627, 128741), (969, 83303), (3553, 22719), (7573, 10659)]