213620868

素因数分解:

$2^2\times 3^3\times {\mathrm{1977971}}^1$

素因数の和:1977984

約数の個数: 24

約数和(自身を含む): 553832160

約数和(自身を除く): 340211292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 1977971, 3955942, 5933913, 7911884, 11867826, 17801739, 23735652, 35603478, 53405217, 71206956, 106810434, 213620868]

約数ペア:

[(1, 213620868), (2, 106810434), (3, 71206956), (4, 53405217), (6, 35603478), (9, 23735652), (12, 17801739), (18, 11867826), (27, 7911884), (36, 5933913), (54, 3955942), (108, 1977971)]