78195537

素因数分解:

$3^4\times 7^1\times {\mathrm{137911}}^1$

素因数の和:137930

約数の個数: 20

約数和(自身を含む): 133498816

約数和(自身を除く): 55303279

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 137911, 413733, 965377, 1241199, 2896131, 3723597, 8688393, 11170791, 26065179, 78195537]

約数ペア:

[(1, 78195537), (3, 26065179), (7, 11170791), (9, 8688393), (21, 3723597), (27, 2896131), (63, 1241199), (81, 965377), (189, 413733), (567, 137911)]