28213917

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{3613}}^1$

素因数の和:3772

約数の個数: 16

約数和(自身を含む): 39898560

約数和(自身を除く): 11684643

約数列:

[1, 3, 19, 57, 137, 411, 2603, 3613, 7809, 10839, 68647, 205941, 494981, 1484943, 9404639, 28213917]

約数ペア:

[(1, 28213917), (3, 9404639), (19, 1484943), (57, 494981), (137, 205941), (411, 68647), (2603, 10839), (3613, 7809)]