28655529

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{19219}}^1$

素因数の和:19300

約数の個数: 16

約数和(自身を含む): 44282880

約数和(自身を除く): 15627351

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 19219, 57657, 134533, 403599, 1364549, 4093647, 9551843, 28655529]

約数ペア:

[(1, 28655529), (3, 9551843), (7, 4093647), (21, 1364549), (71, 403599), (213, 134533), (497, 57657), (1491, 19219)]