68691855

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1\times {\mathrm{379}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 113160960

約数和(自身を除く): 44469105

約数列:

[1, 3, 5, 15, 43, 129, 215, 281, 379, 645, 843, 1137, 1405, 1895, 4215, 5685, 12083, 16297, 36249, 48891, 60415, 81485, 106499, 181245, 244455, 319497, 532495, 1597485, 4579457, 13738371, 22897285, 68691855]

約数ペア:

[(1, 68691855), (3, 22897285), (5, 13738371), (15, 4579457), (43, 1597485), (129, 532495), (215, 319497), (281, 244455), (379, 181245), (645, 106499), (843, 81485), (1137, 60415), (1405, 48891), (1895, 36249), (4215, 16297), (5685, 12083)]