19777149

素因数分解:

$3^3\times 7^1\times {\mathrm{269}}^1\times {\mathrm{389}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 33696000

約数和(自身を除く): 13918851

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 269, 389, 807, 1167, 1883, 2421, 2723, 3501, 5649, 7263, 8169, 10503, 16947, 24507, 50841, 73521, 104641, 313923, 732487, 941769, 2197461, 2825307, 6592383, 19777149]

約数ペア:

[(1, 19777149), (3, 6592383), (7, 2825307), (9, 2197461), (21, 941769), (27, 732487), (63, 313923), (189, 104641), (269, 73521), (389, 50841), (807, 24507), (1167, 16947), (1883, 10503), (2421, 8169), (2723, 7263), (3501, 5649)]