12784815

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{787}}^1$

素因数の和:836

約数の個数: 36

約数和(自身を含む): 23417784

約数和(自身を除く): 10632969

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 361, 787, 855, 1083, 1805, 2361, 3249, 3935, 5415, 7083, 11805, 14953, 16245, 35415, 44859, 74765, 134577, 224295, 284107, 672885, 852321, 1420535, 2556963, 4261605, 12784815]

約数ペア:

[(1, 12784815), (3, 4261605), (5, 2556963), (9, 1420535), (15, 852321), (19, 672885), (45, 284107), (57, 224295), (95, 134577), (171, 74765), (285, 44859), (361, 35415), (787, 16245), (855, 14953), (1083, 11805), (1805, 7083), (2361, 5415), (3249, 3935)]