40697847

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{15647}}^1$

素因数の和:15687

約数の個数: 18

約数和(自身を含む): 62451168

約数和(自身を除く): 21753321

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 15647, 46941, 140823, 265999, 797997, 2393991, 4521983, 13565949, 40697847]

約数ペア:

[(1, 40697847), (3, 13565949), (9, 4521983), (17, 2393991), (51, 797997), (153, 265999), (289, 140823), (867, 46941), (2601, 15647)]