203430285

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21839}}^1$

素因数の和:21879

約数の個数: 40

約数和(自身を含む): 380540160

約数和(自身を除く): 177109875

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 3105, 9315, 21839, 65517, 109195, 196551, 327585, 502297, 589653, 982755, 1506891, 1768959, 2511485, 2948265, 4520673, 7534455, 8844795, 13562019, 22603365, 40686057, 67810095, 203430285]

約数ペア:

[(1, 203430285), (3, 67810095), (5, 40686057), (9, 22603365), (15, 13562019), (23, 8844795), (27, 7534455), (45, 4520673), (69, 2948265), (81, 2511485), (115, 1768959), (135, 1506891), (207, 982755), (345, 589653), (405, 502297), (621, 327585), (1035, 196551), (1863, 109195), (3105, 65517), (9315, 21839)]