202139991

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{641}}^1\times {\mathrm{947}}^1$

素因数の和:1631

約数の個数: 24

約数和(自身を含む): 300656304

約数和(自身を除く): 98516313

約数列:

[1, 3, 9, 37, 111, 333, 641, 947, 1923, 2841, 5769, 8523, 23717, 35039, 71151, 105117, 213453, 315351, 607027, 1821081, 5463243, 22459999, 67379997, 202139991]

約数ペア:

[(1, 202139991), (3, 67379997), (9, 22459999), (37, 5463243), (111, 1821081), (333, 607027), (641, 315351), (947, 213453), (1923, 105117), (2841, 71151), (5769, 35039), (8523, 23717)]