13258215

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 25660800

約数和(自身を除く): 12402585

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 53, 85, 109, 135, 153, 159, 255, 265, 327, 459, 477, 545, 765, 795, 901, 981, 1431, 1635, 1853, 2295, 2385, 2703, 2943, 4505, 4905, 5559, 5777, 7155, 8109, 9265, 13515, 14715, 16677, 17331, 24327, 27795, 28885, 40545, 50031, 51993, 83385, 86655, 98209, 121635, 155979, 250155, 259965, 294627, 491045, 779895, 883881, 1473135, 2651643, 4419405, 13258215]

約数ペア:

[(1, 13258215), (3, 4419405), (5, 2651643), (9, 1473135), (15, 883881), (17, 779895), (27, 491045), (45, 294627), (51, 259965), (53, 250155), (85, 155979), (109, 121635), (135, 98209), (153, 86655), (159, 83385), (255, 51993), (265, 50031), (327, 40545), (459, 28885), (477, 27795), (545, 24327), (765, 17331), (795, 16677), (901, 14715), (981, 13515), (1431, 9265), (1635, 8109), (1853, 7155), (2295, 5777), (2385, 5559), (2703, 4905), (2943, 4505)]