20130327

素因数分解:

$3^2\times 7^3\times {\mathrm{6521}}^1$

素因数の和:6548

約数の個数: 24

約数和(自身を含む): 33914400

約数和(自身を除く): 13784073

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 6521, 19563, 45647, 58689, 136941, 319529, 410823, 958587, 2236703, 2875761, 6710109, 20130327]

約数ペア:

[(1, 20130327), (3, 6710109), (7, 2875761), (9, 2236703), (21, 958587), (49, 410823), (63, 319529), (147, 136941), (343, 58689), (441, 45647), (1029, 19563), (3087, 6521)]