1991454915

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1\times {\mathrm{5351}}^1$

素因数の和:5979

約数の個数: 32

約数和(自身を含む): 3266689536

約数和(自身を除く): 1275234621

約数列:

[1, 3, 5, 15, 43, 129, 215, 577, 645, 1731, 2885, 5351, 8655, 16053, 24811, 26755, 74433, 80265, 124055, 230093, 372165, 690279, 1150465, 3087527, 3451395, 9262581, 15437635, 46312905, 132763661, 398290983, 663818305, 1991454915]

約数ペア:

[(1, 1991454915), (3, 663818305), (5, 398290983), (15, 132763661), (43, 46312905), (129, 15437635), (215, 9262581), (577, 3451395), (645, 3087527), (1731, 1150465), (2885, 690279), (5351, 372165), (8655, 230093), (16053, 124055), (24811, 80265), (26755, 74433)]