194920992021

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{15975821}}^1$

素因数の和:15975921

約数の個数: 24

約数和(自身を含む): 305968942944

約数和(自身を除く): 111047950923

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 581, 1743, 4067, 12201, 15975821, 47927463, 111830747, 335492241, 782815229, 1325993143, 2348445687, 3977979429, 9281952001, 27845856003, 64973664007, 194920992021]

約数ペア:

[(1, 194920992021), (3, 64973664007), (7, 27845856003), (21, 9281952001), (49, 3977979429), (83, 2348445687), (147, 1325993143), (249, 782815229), (581, 335492241), (1743, 111830747), (4067, 47927463), (12201, 15975821)]