40545

素因数分解:

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

素因数の和:81

約数の個数: 24

約数和(自身を含む): 75816

約数和(自身を除く): 35271

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 53, 85, 153, 159, 255, 265, 477, 765, 795, 901, 2385, 2703, 4505, 8109, 13515, 40545]

約数ペア:

[(1, 40545), (3, 13515), (5, 8109), (9, 4505), (15, 2703), (17, 2385), (45, 901), (51, 795), (53, 765), (85, 477), (153, 265), (159, 255)]