20100213

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8623}}^1$

素因数の和:8673

約数の個数: 24

約数和(自身を含む): 34082048

約数和(自身を除く): 13981835

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 8623, 25869, 60361, 77607, 181083, 319051, 543249, 957153, 2233357, 2871459, 6700071, 20100213]

約数ペア:

[(1, 20100213), (3, 6700071), (7, 2871459), (9, 2233357), (21, 957153), (37, 543249), (63, 319051), (111, 181083), (259, 77607), (333, 60361), (777, 25869), (2331, 8623)]