19705051521

素因数分解:

$3^8\times {\mathrm{449}}^1\times {\mathrm{6689}}^1$

素因数の和:7162

約数の個数: 36

約数和(自身を含む): 29626330500

約数和(自身を除く): 9921278979

約数列:

[1, 3, 9, 27, 81, 243, 449, 729, 1347, 2187, 4041, 6561, 6689, 12123, 20067, 36369, 60201, 109107, 180603, 327321, 541809, 981963, 1625427, 2945889, 3003361, 4876281, 9010083, 14628843, 27030249, 43886529, 81090747, 243272241, 729816723, 2189450169, 6568350507, 19705051521]

約数ペア:

[(1, 19705051521), (3, 6568350507), (9, 2189450169), (27, 729816723), (81, 243272241), (243, 81090747), (449, 43886529), (729, 27030249), (1347, 14628843), (2187, 9010083), (4041, 4876281), (6561, 3003361), (6689, 2945889), (12123, 1625427), (20067, 981963), (36369, 541809), (60201, 327321), (109107, 180603)]