204021783

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{68903}}^1$

素因数の和:68963

約数の個数: 24

約数和(自身を含む): 343968768

約数和(自身を除く): 139946985

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 68903, 206709, 482321, 620127, 1446963, 3238441, 4340889, 9715323, 22669087, 29145969, 68007261, 204021783]

約数ペア:

[(1, 204021783), (3, 68007261), (7, 29145969), (9, 22669087), (21, 9715323), (47, 4340889), (63, 3238441), (141, 1446963), (329, 620127), (423, 482321), (987, 206709), (2961, 68903)]