81211605

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3607}}^1$

素因数の和:3713

約数の個数: 32

約数和(自身を含む): 138547200

約数和(自身を除く): 57335595

約数列:

[1, 3, 5, 15, 19, 57, 79, 95, 237, 285, 395, 1185, 1501, 3607, 4503, 7505, 10821, 18035, 22515, 54105, 68533, 205599, 284953, 342665, 854859, 1027995, 1424765, 4274295, 5414107, 16242321, 27070535, 81211605]

約数ペア:

[(1, 81211605), (3, 27070535), (5, 16242321), (15, 5414107), (19, 4274295), (57, 1424765), (79, 1027995), (95, 854859), (237, 342665), (285, 284953), (395, 205599), (1185, 68533), (1501, 54105), (3607, 22515), (4503, 18035), (7505, 10821)]