828591939

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{185243}}^1$

素因数の和:185327

約数の個数: 24

約数和(自身を含む): 1387107072

約数和(自身を除く): 558515133

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 185243, 555729, 1296701, 1667187, 3890103, 11670309, 13152253, 39456759, 92065771, 118370277, 276197313, 828591939]

約数ペア:

[(1, 828591939), (3, 276197313), (7, 118370277), (9, 92065771), (21, 39456759), (63, 13152253), (71, 11670309), (213, 3890103), (497, 1667187), (639, 1296701), (1491, 555729), (4473, 185243)]