17724343

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 23109632

約数和(自身を除く): 5385289

約数列:

[1, 7, 13, 31, 61, 91, 103, 217, 403, 427, 721, 793, 1339, 1891, 2821, 3193, 5551, 6283, 9373, 13237, 22351, 24583, 41509, 43981, 81679, 172081, 194773, 290563, 571753, 1363411, 2532049, 17724343]

約数ペア:

[(1, 17724343), (7, 2532049), (13, 1363411), (31, 571753), (61, 290563), (91, 194773), (103, 172081), (217, 81679), (403, 43981), (427, 41509), (721, 24583), (793, 22351), (1339, 13237), (1891, 9373), (2821, 6283), (3193, 5551)]