27642251

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:371

約数の個数: 32

約数和(自身を含む): 36384768

約数和(自身を除く): 8742517

約数列:

[1, 7, 13, 23, 47, 91, 161, 281, 299, 329, 611, 1081, 1967, 2093, 3653, 4277, 6463, 7567, 13207, 14053, 25571, 45241, 84019, 92449, 98371, 171691, 303761, 588133, 1201837, 2126327, 3948893, 27642251]

約数ペア:

[(1, 27642251), (7, 3948893), (13, 2126327), (23, 1201837), (47, 588133), (91, 303761), (161, 171691), (281, 98371), (299, 92449), (329, 84019), (611, 45241), (1081, 25571), (1967, 14053), (2093, 13207), (3653, 7567), (4277, 6463)]