28861947

素因数分解:

$3^3\times {\mathrm{653}}^1\times {\mathrm{1637}}^1$

素因数の和:2299

約数の個数: 16

約数和(自身を含む): 42850080

約数和(自身を除く): 13988133

約数列:

[1, 3, 9, 27, 653, 1637, 1959, 4911, 5877, 14733, 17631, 44199, 1068961, 3206883, 9620649, 28861947]

約数ペア:

[(1, 28861947), (3, 9620649), (9, 3206883), (27, 1068961), (653, 44199), (1637, 17631), (1959, 14733), (4911, 5877)]