151121691

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{7247}}^1$

素因数の和:7591

約数の個数: 24

約数和(自身を含む): 250258944

約数和(自身を除く): 99137253

約数列:

[1, 3, 7, 9, 21, 63, 331, 993, 2317, 2979, 6951, 7247, 20853, 21741, 50729, 65223, 152187, 456561, 2398757, 7196271, 16791299, 21588813, 50373897, 151121691]

約数ペア:

[(1, 151121691), (3, 50373897), (7, 21588813), (9, 16791299), (21, 7196271), (63, 2398757), (331, 456561), (993, 152187), (2317, 65223), (2979, 50729), (6951, 21741), (7247, 20853)]