243669891

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 351267840

約数和(自身を除く): 107597949

約数列:

[1, 3, 17, 51, 79, 197, 237, 307, 591, 921, 1343, 3349, 4029, 5219, 10047, 15563, 15657, 24253, 46689, 60479, 72759, 181437, 264571, 412301, 793713, 1028143, 1236903, 3084429, 4777841, 14333523, 81223297, 243669891]

約数ペア:

[(1, 243669891), (3, 81223297), (17, 14333523), (51, 4777841), (79, 3084429), (197, 1236903), (237, 1028143), (307, 793713), (591, 412301), (921, 264571), (1343, 181437), (3349, 72759), (4029, 60479), (5219, 46689), (10047, 24253), (15563, 15657)]