30397857

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 47738880

約数和(自身を除く): 17341023

約数列:

[1, 3, 7, 21, 73, 79, 219, 237, 251, 511, 553, 753, 1533, 1659, 1757, 5271, 5767, 17301, 18323, 19829, 40369, 54969, 59487, 121107, 128261, 138803, 384783, 416409, 1447517, 4342551, 10132619, 30397857]

約数ペア:

[(1, 30397857), (3, 10132619), (7, 4342551), (21, 1447517), (73, 416409), (79, 384783), (219, 138803), (237, 128261), (251, 121107), (511, 59487), (553, 54969), (753, 40369), (1533, 19829), (1659, 18323), (1757, 17301), (5271, 5767)]