2148885

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^2$

素因数の和:134

約数の個数: 36

約数和(自身を含む): 4019652

約数和(自身を除く): 1870767

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 53, 85, 153, 159, 255, 265, 477, 765, 795, 901, 2385, 2703, 2809, 4505, 8109, 8427, 13515, 14045, 25281, 40545, 42135, 47753, 126405, 143259, 238765, 429777, 716295, 2148885]

約数ペア:

[(1, 2148885), (3, 716295), (5, 429777), (9, 238765), (15, 143259), (17, 126405), (45, 47753), (51, 42135), (53, 40545), (85, 25281), (153, 14045), (159, 13515), (255, 8427), (265, 8109), (477, 4505), (765, 2809), (795, 2703), (901, 2385)]