71738181

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{27581}}^1$

素因数の和:27621

約数の個数: 18

約数和(自身を含む): 110079762

約数和(自身を除く): 38341581

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 27581, 82743, 248229, 468877, 1406631, 4219893, 7970909, 23912727, 71738181]

約数ペア:

[(1, 71738181), (3, 23912727), (9, 7970909), (17, 4219893), (51, 1406631), (153, 468877), (289, 248229), (867, 82743), (2601, 27581)]