121635

素因数分解:

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

素因数の和:84

約数の個数: 32

約数和(自身を含む): 233280

約数和(自身を除く): 111645

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 53, 85, 135, 153, 159, 255, 265, 459, 477, 765, 795, 901, 1431, 2295, 2385, 2703, 4505, 7155, 8109, 13515, 24327, 40545, 121635]

約数ペア:

[(1, 121635), (3, 40545), (5, 24327), (9, 13515), (15, 8109), (17, 7155), (27, 4505), (45, 2703), (51, 2385), (53, 2295), (85, 1431), (135, 901), (153, 795), (159, 765), (255, 477), (265, 459)]