77775885

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2213}}^1$

素因数の和:2306

約数の個数: 48

約数和(自身を含む): 149205888

約数和(自身を除く): 71430003

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 71, 99, 165, 213, 355, 495, 639, 781, 1065, 2213, 2343, 3195, 3905, 6639, 7029, 11065, 11715, 19917, 24343, 33195, 35145, 73029, 99585, 121715, 157123, 219087, 365145, 471369, 785615, 1095435, 1414107, 1728353, 2356845, 5185059, 7070535, 8641765, 15555177, 25925295, 77775885]

約数ペア:

[(1, 77775885), (3, 25925295), (5, 15555177), (9, 8641765), (11, 7070535), (15, 5185059), (33, 2356845), (45, 1728353), (55, 1414107), (71, 1095435), (99, 785615), (165, 471369), (213, 365145), (355, 219087), (495, 157123), (639, 121715), (781, 99585), (1065, 73029), (2213, 35145), (2343, 33195), (3195, 24343), (3905, 19917), (6639, 11715), (7029, 11065)]