80688783

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2861}}^1$

素因数の和:2967

約数の個数: 32

約数和(自身を含む): 131880960

約数和(自身を除く): 51192177

約数列:

[1, 3, 7, 17, 21, 51, 79, 119, 237, 357, 553, 1343, 1659, 2861, 4029, 8583, 9401, 20027, 28203, 48637, 60081, 145911, 226019, 340459, 678057, 1021377, 1582133, 3842323, 4746399, 11526969, 26896261, 80688783]

約数ペア:

[(1, 80688783), (3, 26896261), (7, 11526969), (17, 4746399), (21, 3842323), (51, 1582133), (79, 1021377), (119, 678057), (237, 340459), (357, 226019), (553, 145911), (1343, 60081), (1659, 48637), (2861, 28203), (4029, 20027), (8583, 9401)]