15691971897

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1979}}^1\times {\mathrm{2927}}^1$

素因数の和:4962

約数の個数: 48

約数和(自身を含む): 26529085440

約数和(自身を除く): 10837113543

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 1979, 2709, 2927, 5937, 8781, 13853, 17811, 20489, 26343, 41559, 61467, 85097, 124677, 125861, 184401, 255291, 377583, 595679, 765873, 881027, 1132749, 1787037, 2643081, 5361111, 5792533, 7929243, 17377599, 40547731, 52132797, 121643193, 249078919, 364929579, 747236757, 1743552433, 2241710271, 5230657299, 15691971897]

約数ペア:

[(1, 15691971897), (3, 5230657299), (7, 2241710271), (9, 1743552433), (21, 747236757), (43, 364929579), (63, 249078919), (129, 121643193), (301, 52132797), (387, 40547731), (903, 17377599), (1979, 7929243), (2709, 5792533), (2927, 5361111), (5937, 2643081), (8781, 1787037), (13853, 1132749), (17811, 881027), (20489, 765873), (26343, 595679), (41559, 377583), (61467, 255291), (85097, 184401), (124677, 125861)]