27961997

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 34790976

約数和(自身を除く): 6828979

約数列:

[1, 7, 23, 43, 49, 161, 301, 577, 989, 1127, 2107, 4039, 6923, 13271, 24811, 28273, 48461, 92897, 173677, 570653, 650279, 1215739, 3994571, 27961997]

約数ペア:

[(1, 27961997), (7, 3994571), (23, 1215739), (43, 650279), (49, 570653), (161, 173677), (301, 92897), (577, 48461), (989, 28273), (1127, 24811), (2107, 13271), (4039, 6923)]