80257473

素因数分解:

$3^4\times {\mathrm{787}}^1\times {\mathrm{1259}}^1$

素因数の和:2058

約数の個数: 20

約数和(自身を含む): 120138480

約数和(自身を除く): 39881007

約数列:

[1, 3, 9, 27, 81, 787, 1259, 2361, 3777, 7083, 11331, 21249, 33993, 63747, 101979, 990833, 2972499, 8917497, 26752491, 80257473]

約数ペア:

[(1, 80257473), (3, 26752491), (9, 8917497), (27, 2972499), (81, 990833), (787, 101979), (1259, 63747), (2361, 33993), (3777, 21249), (7083, 11331)]