81681579

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{8053}}^1$

素因数の和:8096

約数の個数: 36

約数和(自身を含む): 143232336

約数和(自身を除く): 61550757

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 3381, 8053, 10143, 24159, 56371, 72477, 169113, 185219, 394597, 507339, 555657, 1183791, 1296533, 1666971, 3551373, 3889599, 9075731, 11668797, 27227193, 81681579]

約数ペア:

[(1, 81681579), (3, 27227193), (7, 11668797), (9, 9075731), (21, 3889599), (23, 3551373), (49, 1666971), (63, 1296533), (69, 1183791), (147, 555657), (161, 507339), (207, 394597), (441, 185219), (483, 169113), (1127, 72477), (1449, 56371), (3381, 24159), (8053, 10143)]