72051819

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2029}}^1$

素因数の和:2147

約数の個数: 32

約数和(自身を含む): 116928000

約数和(自身を除く): 44876181

約数列:

[1, 3, 7, 19, 21, 57, 89, 133, 267, 399, 623, 1691, 1869, 2029, 5073, 6087, 11837, 14203, 35511, 38551, 42609, 115653, 180581, 269857, 541743, 809571, 1264067, 3431039, 3792201, 10293117, 24017273, 72051819]

約数ペア:

[(1, 72051819), (3, 24017273), (7, 10293117), (19, 3792201), (21, 3431039), (57, 1264067), (89, 809571), (133, 541743), (267, 269857), (399, 180581), (623, 115653), (1691, 42609), (1869, 38551), (2029, 35511), (5073, 14203), (6087, 11837)]