201868455

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{1787}}^1$

素因数の和:2255

約数の個数: 32

約数和(自身を含む): 342952704

約数和(自身を除く): 141084249

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 443, 1329, 1787, 2215, 5361, 6645, 7531, 8935, 22593, 26805, 30379, 37655, 91137, 112965, 151895, 455685, 791641, 2374923, 3958205, 11874615, 13457897, 40373691, 67289485, 201868455]

約数ペア:

[(1, 201868455), (3, 67289485), (5, 40373691), (15, 13457897), (17, 11874615), (51, 3958205), (85, 2374923), (255, 791641), (443, 455685), (1329, 151895), (1787, 112965), (2215, 91137), (5361, 37655), (6645, 30379), (7531, 26805), (8935, 22593)]