821456964

素因数分解:

$2^2\times 3^4\times {\mathrm{53}}^1\times {\mathrm{47837}}^1$

素因数の和:47906

約数の個数: 60

約数和(自身を含む): 2188014444

約数和(自身を除く): 1366557480

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 81, 106, 108, 159, 162, 212, 318, 324, 477, 636, 954, 1431, 1908, 2862, 4293, 5724, 8586, 17172, 47837, 95674, 143511, 191348, 287022, 430533, 574044, 861066, 1291599, 1722132, 2535361, 2583198, 3874797, 5070722, 5166396, 7606083, 7749594, 10141444, 15212166, 15499188, 22818249, 30424332, 45636498, 68454747, 91272996, 136909494, 205364241, 273818988, 410728482, 821456964]

約数ペア:

[(1, 821456964), (2, 410728482), (3, 273818988), (4, 205364241), (6, 136909494), (9, 91272996), (12, 68454747), (18, 45636498), (27, 30424332), (36, 22818249), (53, 15499188), (54, 15212166), (81, 10141444), (106, 7749594), (108, 7606083), (159, 5166396), (162, 5070722), (212, 3874797), (318, 2583198), (324, 2535361), (477, 1722132), (636, 1291599), (954, 861066), (1431, 574044), (1908, 430533), (2862, 287022), (4293, 191348), (5724, 143511), (8586, 95674), (17172, 47837)]