30821091

素因数分解:

$3^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{1481}}^1$

素因数の和:2482

約数の個数: 16

約数和(自身を含む): 47044608

約数和(自身を除く): 16223517

約数列:

[1, 3, 7, 21, 991, 1481, 2973, 4443, 6937, 10367, 20811, 31101, 1467671, 4403013, 10273697, 30821091]

約数ペア:

[(1, 30821091), (3, 10273697), (7, 4403013), (21, 1467671), (991, 31101), (1481, 20811), (2973, 10367), (4443, 6937)]