1418121

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1053

約数の個数: 16

約数和(自身を含む): 2142720

約数和(自身を除く): 724599

約数列:

[1, 3, 9, 27, 53, 159, 477, 991, 1431, 2973, 8919, 26757, 52523, 157569, 472707, 1418121]

約数ペア:

[(1, 1418121), (3, 472707), (9, 157569), (27, 52523), (53, 26757), (159, 8919), (477, 2973), (991, 1431)]