221497845

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{4799}}^1$

素因数の和:5005

約数の個数: 32

約数和(自身を含む): 377395200

約数和(自身を除く): 155897355

約数列:

[1, 3, 5, 15, 17, 51, 85, 181, 255, 543, 905, 2715, 3077, 4799, 9231, 14397, 15385, 23995, 46155, 71985, 81583, 244749, 407915, 868619, 1223745, 2605857, 4343095, 13029285, 14766523, 44299569, 73832615, 221497845]

約数ペア:

[(1, 221497845), (3, 73832615), (5, 44299569), (15, 14766523), (17, 13029285), (51, 4343095), (85, 2605857), (181, 1223745), (255, 868619), (543, 407915), (905, 244749), (2715, 81583), (3077, 71985), (4799, 46155), (9231, 23995), (14397, 15385)]