28249461

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{10861}}^1$

素因数の和:10901

約数の個数: 18

約数和(自身を含む): 43350242

約数和(自身を除く): 15100781

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 10861, 32583, 97749, 184637, 553911, 1661733, 3138829, 9416487, 28249461]

約数ペア:

[(1, 28249461), (3, 9416487), (9, 3138829), (17, 1661733), (51, 553911), (153, 184637), (289, 97749), (867, 32583), (2601, 10861)]