28724679

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{62581}}^1$

素因数の和:62607

約数の個数: 16

約数和(自身を含む): 45059040

約数和(自身を除く): 16334361

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 62581, 187743, 563229, 1063877, 1689687, 3191631, 9574893, 28724679]

約数ペア:

[(1, 28724679), (3, 9574893), (9, 3191631), (17, 1689687), (27, 1063877), (51, 563229), (153, 187743), (459, 62581)]