378163215

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3109}}^1$

素因数の和:3193

約数の個数: 64

約数和(自身を含む): 725500800

約数和(自身を除く): 347337585

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, 3109, 4505, 7155, 8109, 9327, 13515, 15545, 24327, 27981, 40545, 46635, 52853, 83943, 121635, 139905, 158559, 164777, 264265, 419715, 475677, 494331, 792795, 823885, 1427031, 1482993, 2378385, 2471655, 2801209, 4448979, 7135155, 7414965, 8403627, 14006045, 22244895, 25210881, 42018135, 75632643, 126054405, 378163215]

約数ペア:

[(1, 378163215), (3, 126054405), (5, 75632643), (9, 42018135), (15, 25210881), (17, 22244895), (27, 14006045), (45, 8403627), (51, 7414965), (53, 7135155), (85, 4448979), (135, 2801209), (153, 2471655), (159, 2378385), (255, 1482993), (265, 1427031), (459, 823885), (477, 792795), (765, 494331), (795, 475677), (901, 419715), (1431, 264265), (2295, 164777), (2385, 158559), (2703, 139905), (3109, 121635), (4505, 83943), (7155, 52853), (8109, 46635), (9327, 40545), (13515, 27981), (15545, 24327)]