491551173

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{148013}}^1$

素因数の和:148066

約数の個数: 20

約数和(自身を含む): 752207148

約数和(自身を除く): 260655975

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 148013, 444039, 1332117, 3996351, 6068533, 11989053, 18205599, 54616797, 163850391, 491551173]

約数ペア:

[(1, 491551173), (3, 163850391), (9, 54616797), (27, 18205599), (41, 11989053), (81, 6068533), (123, 3996351), (369, 1332117), (1107, 444039), (3321, 148013)]