305220237

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{1597}}^1$

素因数の和:2105

約数の個数: 32

約数和(自身を含む): 490905600

約数和(自身を除く): 185685363

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 479, 1437, 1597, 3353, 4791, 9101, 10059, 11179, 27303, 30343, 33537, 63707, 91029, 191121, 212401, 637203, 764963, 2294889, 5354741, 14534297, 16064223, 43602891, 101740079, 305220237]

約数ペア:

[(1, 305220237), (3, 101740079), (7, 43602891), (19, 16064223), (21, 14534297), (57, 5354741), (133, 2294889), (399, 764963), (479, 637203), (1437, 212401), (1597, 191121), (3353, 91029), (4791, 63707), (9101, 33537), (10059, 30343), (11179, 27303)]