172808991

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{613}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 262595520

約数和(自身を除く): 89786529

約数列:

[1, 3, 9, 27, 53, 159, 197, 477, 591, 613, 1431, 1773, 1839, 5319, 5517, 10441, 16551, 31323, 32489, 93969, 97467, 120761, 281907, 292401, 362283, 877203, 1086849, 3260547, 6400333, 19200999, 57602997, 172808991]

約数ペア:

[(1, 172808991), (3, 57602997), (9, 19200999), (27, 6400333), (53, 3260547), (159, 1086849), (197, 877203), (477, 362283), (591, 292401), (613, 281907), (1431, 120761), (1773, 97467), (1839, 93969), (5319, 32489), (5517, 31323), (10441, 16551)]