211092609

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{24943}}^1$

素因数の和:24997

約数の個数: 32

約数和(自身を含む): 357597184

約数和(自身を除く): 146504575

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2821, 8463, 24943, 74829, 174601, 324259, 523803, 773233, 972777, 2269813, 2319699, 5412631, 6809439, 10052029, 16237893, 30156087, 70364203, 211092609]

約数ペア:

[(1, 211092609), (3, 70364203), (7, 30156087), (13, 16237893), (21, 10052029), (31, 6809439), (39, 5412631), (91, 2319699), (93, 2269813), (217, 972777), (273, 773233), (403, 523803), (651, 324259), (1209, 174601), (2821, 74829), (8463, 24943)]