31803921

素因数分解:

$3^4\times {\mathrm{431}}^1\times {\mathrm{911}}^1$

素因数の和:1354

約数の個数: 20

約数和(自身を含む): 47672064

約数和(自身を除く): 15868143

約数列:

[1, 3, 9, 27, 81, 431, 911, 1293, 2733, 3879, 8199, 11637, 24597, 34911, 73791, 392641, 1177923, 3533769, 10601307, 31803921]

約数ペア:

[(1, 31803921), (3, 10601307), (9, 3533769), (27, 1177923), (81, 392641), (431, 73791), (911, 34911), (1293, 24597), (2733, 11637), (3879, 8199)]