287389869

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{941}}^1$

素因数の和:1189

約数の個数: 32

約数和(自身を含む): 425392128

約数和(自身を除く): 138002259

約数列:

[1, 3, 13, 39, 41, 123, 191, 533, 573, 941, 1599, 2483, 2823, 7449, 7831, 12233, 23493, 36699, 38581, 101803, 115743, 179731, 305409, 501553, 539193, 1504659, 2336503, 7009509, 7368971, 22106913, 95796623, 287389869]

約数ペア:

[(1, 287389869), (3, 95796623), (13, 22106913), (39, 7368971), (41, 7009509), (123, 2336503), (191, 1504659), (533, 539193), (573, 501553), (941, 305409), (1599, 179731), (2483, 115743), (2823, 101803), (7449, 38581), (7831, 36699), (12233, 23493)]