1688931

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{719}}^1$

素因数の和:760

約数の個数: 20

約数和(自身を含む): 2613600

約数和(自身を除く): 924669

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 719, 783, 2157, 2349, 6471, 19413, 20851, 58239, 62553, 187659, 562977, 1688931]

約数ペア:

[(1, 1688931), (3, 562977), (9, 187659), (27, 62553), (29, 58239), (81, 20851), (87, 19413), (261, 6471), (719, 2349), (783, 2157)]