217664643

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{617}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 337457664

約数和(自身を除く): 119793021

約数列:

[1, 3, 7, 21, 107, 157, 321, 471, 617, 749, 1099, 1851, 2247, 3297, 4319, 12957, 16799, 50397, 66019, 96869, 117593, 198057, 290607, 352779, 462133, 678083, 1386399, 2034249, 10364983, 31094949, 72554881, 217664643]

約数ペア:

[(1, 217664643), (3, 72554881), (7, 31094949), (21, 10364983), (107, 2034249), (157, 1386399), (321, 678083), (471, 462133), (617, 352779), (749, 290607), (1099, 198057), (1851, 117593), (2247, 96869), (3297, 66019), (4319, 50397), (12957, 16799)]