28689981

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{5189}}^1$

素因数の和:5308

約数の個数: 16

約数和(自身を含む): 40689600

約数和(自身を除く): 11999619

約数列:

[1, 3, 19, 57, 97, 291, 1843, 5189, 5529, 15567, 98591, 295773, 503333, 1509999, 9563327, 28689981]

約数ペア:

[(1, 28689981), (3, 9563327), (19, 1509999), (57, 503333), (97, 295773), (291, 98591), (1843, 15567), (5189, 5529)]