18263217

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 28926720

約数和(自身を除く): 10663503

約数列:

[1, 3, 7, 21, 53, 61, 159, 183, 269, 371, 427, 807, 1113, 1281, 1883, 3233, 5649, 9699, 14257, 16409, 22631, 42771, 49227, 67893, 99799, 114863, 299397, 344589, 869677, 2609031, 6087739, 18263217]

約数ペア:

[(1, 18263217), (3, 6087739), (7, 2609031), (21, 869677), (53, 344589), (61, 299397), (159, 114863), (183, 99799), (269, 67893), (371, 49227), (427, 42771), (807, 22631), (1113, 16409), (1281, 14257), (1883, 9699), (3233, 5649)]