17760789

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{7561}}^1$

素因数の和:7602

約数の個数: 20

約数和(自身を含む): 27450060

約数和(自身を除く): 9689271

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 7561, 22683, 68049, 204147, 219269, 612441, 657807, 1973421, 5920263, 17760789]

約数ペア:

[(1, 17760789), (3, 5920263), (9, 1973421), (27, 657807), (29, 612441), (81, 219269), (87, 204147), (261, 68049), (783, 22683), (2349, 7561)]