81033071

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 101326848

約数和(自身を除く): 20293777

約数列:

[1, 7, 23, 37, 61, 161, 223, 259, 427, 851, 1403, 1561, 2257, 5129, 5957, 8251, 9821, 13603, 15799, 35903, 51911, 57757, 95221, 189773, 312869, 363377, 503311, 1328411, 2190083, 3523177, 11576153, 81033071]

約数ペア:

[(1, 81033071), (7, 11576153), (23, 3523177), (37, 2190083), (61, 1328411), (161, 503311), (223, 363377), (259, 312869), (427, 189773), (851, 95221), (1403, 57757), (1561, 51911), (2257, 35903), (5129, 15799), (5957, 13603), (8251, 9821)]