208794579

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{4787}}^1$

素因数の和:4895

約数の個数: 32

約数和(自身を含む): 333398016

約数和(自身を除く): 124603437

約数列:

[1, 3, 7, 21, 31, 67, 93, 201, 217, 469, 651, 1407, 2077, 4787, 6231, 14361, 14539, 33509, 43617, 100527, 148397, 320729, 445191, 962187, 1038779, 2245103, 3116337, 6735309, 9942599, 29827797, 69598193, 208794579]

約数ペア:

[(1, 208794579), (3, 69598193), (7, 29827797), (21, 9942599), (31, 6735309), (67, 3116337), (93, 2245103), (201, 1038779), (217, 962187), (469, 445191), (651, 320729), (1407, 148397), (2077, 100527), (4787, 43617), (6231, 33509), (14361, 14539)]