1821261

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 32

約数和(自身を含む): 2878848

約数和(自身を除く): 1057587

約数列:

[1, 3, 13, 17, 39, 41, 51, 67, 123, 201, 221, 533, 663, 697, 871, 1139, 1599, 2091, 2613, 2747, 3417, 8241, 9061, 14807, 27183, 35711, 44421, 46699, 107133, 140097, 607087, 1821261]

約数ペア:

[(1, 1821261), (3, 607087), (13, 140097), (17, 107133), (39, 46699), (41, 44421), (51, 35711), (67, 27183), (123, 14807), (201, 9061), (221, 8241), (533, 3417), (663, 2747), (697, 2613), (871, 2091), (1139, 1599)]