30168957

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{15787}}^1$

素因数の和:15817

約数の個数: 24

約数和(自身を含む): 50395296

約数和(自身を除く): 20226339

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 15787, 47361, 110509, 205231, 331527, 615693, 773563, 1436617, 2320689, 4309851, 10056319, 30168957]

約数ペア:

[(1, 30168957), (3, 10056319), (7, 4309851), (13, 2320689), (21, 1436617), (39, 773563), (49, 615693), (91, 331527), (147, 205231), (273, 110509), (637, 47361), (1911, 15787)]