30781377

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{193}}^1$

素因数の和:395

約数の個数: 40

約数和(自身を含む): 50703840

約数和(自身を除く): 19922463

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 179, 193, 297, 537, 579, 891, 1611, 1737, 1969, 2123, 4833, 5211, 5907, 6369, 14499, 15633, 17721, 19107, 34547, 53163, 57321, 103641, 159489, 171963, 310923, 380017, 932769, 1140051, 2798307, 3420153, 10260459, 30781377]

約数ペア:

[(1, 30781377), (3, 10260459), (9, 3420153), (11, 2798307), (27, 1140051), (33, 932769), (81, 380017), (99, 310923), (179, 171963), (193, 159489), (297, 103641), (537, 57321), (579, 53163), (891, 34547), (1611, 19107), (1737, 17721), (1969, 15633), (2123, 14499), (4833, 6369), (5211, 5907)]