135981475

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{21001}}^1$

素因数の和:21055

約数の個数: 24

約数和(自身を含む): 197922848

約数和(自身を除く): 61941373

約数列:

[1, 5, 7, 25, 35, 37, 175, 185, 259, 925, 1295, 6475, 21001, 105005, 147007, 525025, 735035, 777037, 3675175, 3885185, 5439259, 19425925, 27196295, 135981475]

約数ペア:

[(1, 135981475), (5, 27196295), (7, 19425925), (25, 5439259), (35, 3885185), (37, 3675175), (175, 777037), (185, 735035), (259, 525025), (925, 147007), (1295, 105005), (6475, 21001)]