81564813

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2953}}^1$

素因数の和:3007

約数の個数: 40

約数和(自身を含む): 137254656

約数和(自身を除く): 55689843

約数列:

[1, 3, 9, 11, 27, 31, 33, 81, 93, 99, 279, 297, 341, 837, 891, 1023, 2511, 2953, 3069, 8859, 9207, 26577, 27621, 32483, 79731, 91543, 97449, 239193, 274629, 292347, 823887, 877041, 1006973, 2471661, 2631123, 3020919, 7414983, 9062757, 27188271, 81564813]

約数ペア:

[(1, 81564813), (3, 27188271), (9, 9062757), (11, 7414983), (27, 3020919), (31, 2631123), (33, 2471661), (81, 1006973), (93, 877041), (99, 823887), (279, 292347), (297, 274629), (341, 239193), (837, 97449), (891, 91543), (1023, 79731), (2511, 32483), (2953, 27621), (3069, 26577), (8859, 9207)]