68881485

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{397}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 113477760

約数和(自身を除く): 44596275

約数列:

[1, 3, 5, 15, 43, 129, 215, 269, 397, 645, 807, 1191, 1345, 1985, 4035, 5955, 11567, 17071, 34701, 51213, 57835, 85355, 106793, 173505, 256065, 320379, 533965, 1601895, 4592099, 13776297, 22960495, 68881485]

約数ペア:

[(1, 68881485), (3, 22960495), (5, 13776297), (15, 4592099), (43, 1601895), (129, 533965), (215, 320379), (269, 256065), (397, 173505), (645, 106793), (807, 85355), (1191, 57835), (1345, 51213), (1985, 34701), (4035, 17071), (5955, 11567)]