80878485

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{3389}}^1$

素因数の和:3477

約数の個数: 32

約数和(自身を含む): 136033920

約数和(自身を除く): 55155435

約数列:

[1, 3, 5, 15, 37, 43, 111, 129, 185, 215, 555, 645, 1591, 3389, 4773, 7955, 10167, 16945, 23865, 50835, 125393, 145727, 376179, 437181, 626965, 728635, 1880895, 2185905, 5391899, 16175697, 26959495, 80878485]

約数ペア:

[(1, 80878485), (3, 26959495), (5, 16175697), (15, 5391899), (37, 2185905), (43, 1880895), (111, 728635), (129, 626965), (185, 437181), (215, 376179), (555, 145727), (645, 125393), (1591, 50835), (3389, 23865), (4773, 16945), (7955, 10167)]