40138623

素因数分解:

$3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{2351}}^1$

素因数の和:2635

約数の個数: 24

約数和(自身を含む): 66533376

約数和(自身を除く): 26394753

約数列:

[1, 3, 7, 9, 21, 63, 271, 813, 1897, 2351, 2439, 5691, 7053, 16457, 17073, 21159, 49371, 148113, 637121, 1911363, 4459847, 5734089, 13379541, 40138623]

約数ペア:

[(1, 40138623), (3, 13379541), (7, 5734089), (9, 4459847), (21, 1911363), (63, 637121), (271, 148113), (813, 49371), (1897, 21159), (2351, 17073), (2439, 16457), (5691, 7053)]