26191431

素因数分解:

$3^4\times 7^2\times {\mathrm{6599}}^1$

素因数の和:6625

約数の個数: 30

約数和(自身を含む): 45520200

約数和(自身を除く): 19328769

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 6599, 19797, 46193, 59391, 138579, 178173, 323351, 415737, 534519, 970053, 1247211, 2910159, 3741633, 8730477, 26191431]

約数ペア:

[(1, 26191431), (3, 8730477), (7, 3741633), (9, 2910159), (21, 1247211), (27, 970053), (49, 534519), (63, 415737), (81, 323351), (147, 178173), (189, 138579), (441, 59391), (567, 46193), (1323, 19797), (3969, 6599)]