28775919

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:750

約数の個数: 16

約数和(自身を含む): 38984960

約数和(自身を除く): 10209041

約数列:

[1, 3, 139, 151, 417, 453, 457, 1371, 20989, 62967, 63523, 69007, 190569, 207021, 9591973, 28775919]

約数ペア:

[(1, 28775919), (3, 9591973), (139, 207021), (151, 190569), (417, 69007), (453, 63523), (457, 62967), (1371, 20989)]