290136705

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{27751}}^1$

素因数の和:27817

約数の個数: 32

約数和(自身を含む): 503532288

約数和(自身を除く): 213395583

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 255, 615, 697, 2091, 3485, 10455, 27751, 83253, 138755, 416265, 471767, 1137791, 1415301, 2358835, 3413373, 5688955, 7076505, 17066865, 19342447, 58027341, 96712235, 290136705]

約数ペア:

[(1, 290136705), (3, 96712235), (5, 58027341), (15, 19342447), (17, 17066865), (41, 7076505), (51, 5688955), (85, 3413373), (123, 2358835), (205, 1415301), (255, 1137791), (615, 471767), (697, 416265), (2091, 138755), (3485, 83253), (10455, 27751)]