201357855

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 358020000

約数和(自身を除く): 156662145

約数列:

[1, 3, 5, 9, 15, 45, 59, 149, 177, 295, 447, 509, 531, 745, 885, 1341, 1527, 2235, 2545, 2655, 4581, 6705, 7635, 8791, 22905, 26373, 30031, 43955, 75841, 79119, 90093, 131865, 150155, 227523, 270279, 379205, 395595, 450465, 682569, 1137615, 1351395, 3412845, 4474619, 13423857, 22373095, 40271571, 67119285, 201357855]

約数ペア:

[(1, 201357855), (3, 67119285), (5, 40271571), (9, 22373095), (15, 13423857), (45, 4474619), (59, 3412845), (149, 1351395), (177, 1137615), (295, 682569), (447, 450465), (509, 395595), (531, 379205), (745, 270279), (885, 227523), (1341, 150155), (1527, 131865), (2235, 90093), (2545, 79119), (2655, 75841), (4581, 43955), (6705, 30031), (7635, 26373), (8791, 22905)]