18129345

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 31449600

約数和(自身を除く): 13320255

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 239, 389, 717, 1167, 1195, 1945, 3107, 3585, 5057, 5835, 9321, 15171, 15535, 25285, 46605, 75855, 92971, 278913, 464855, 1208623, 1394565, 3625869, 6043115, 18129345]

約数ペア:

[(1, 18129345), (3, 6043115), (5, 3625869), (13, 1394565), (15, 1208623), (39, 464855), (65, 278913), (195, 92971), (239, 75855), (389, 46605), (717, 25285), (1167, 15535), (1195, 15171), (1945, 9321), (3107, 5835), (3585, 5057)]