291350691

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{439}}^1\times {\mathrm{1993}}^1$

素因数の和:2475

約数の個数: 24

約数和(自身を含む): 433415840

約数和(自身を除く): 142065149

約数列:

[1, 3, 9, 37, 111, 333, 439, 1317, 1993, 3951, 5979, 16243, 17937, 48729, 73741, 146187, 221223, 663669, 874927, 2624781, 7874343, 32372299, 97116897, 291350691]

約数ペア:

[(1, 291350691), (3, 97116897), (9, 32372299), (37, 7874343), (111, 2624781), (333, 874927), (439, 663669), (1317, 221223), (1993, 146187), (3951, 73741), (5979, 48729), (16243, 17937)]