28643601

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{19211}}^1$

素因数の和:19292

約数の個数: 16

約数和(自身を含む): 44264448

約数和(自身を除く): 15620847

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 19211, 57633, 134477, 403431, 1363981, 4091943, 9547867, 28643601]

約数ペア:

[(1, 28643601), (3, 9547867), (7, 4091943), (21, 1363981), (71, 403431), (213, 134477), (497, 57633), (1491, 19211)]