381309383

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{421}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 484928640

約数和(自身を除く): 103619257

約数列:

[1, 7, 13, 37, 91, 259, 269, 421, 481, 1883, 2947, 3367, 3497, 5473, 9953, 15577, 24479, 38311, 69671, 109039, 113249, 129389, 202501, 792743, 905723, 1417507, 1472237, 4190213, 10305659, 29331491, 54472769, 381309383]

約数ペア:

[(1, 381309383), (7, 54472769), (13, 29331491), (37, 10305659), (91, 4190213), (259, 1472237), (269, 1417507), (421, 905723), (481, 792743), (1883, 202501), (2947, 129389), (3367, 113249), (3497, 109039), (5473, 69671), (9953, 38311), (15577, 24479)]