28003821

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{787}}^1$

素因数の和:1228

約数の個数: 16

約数和(自身を含む): 38769600

約数和(自身を除く): 10765779

約数列:

[1, 3, 29, 87, 409, 787, 1227, 2361, 11861, 22823, 35583, 68469, 321883, 965649, 9334607, 28003821]

約数ペア:

[(1, 28003821), (3, 9334607), (29, 965649), (87, 321883), (409, 68469), (787, 35583), (1227, 22823), (2361, 11861)]