7221357

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 12719616

約数和(自身を除く): 5498259

約数列:

[1, 3, 9, 11, 13, 31, 33, 39, 93, 99, 117, 143, 181, 279, 341, 403, 429, 543, 1023, 1209, 1287, 1629, 1991, 2353, 3069, 3627, 4433, 5611, 5973, 7059, 13299, 16833, 17919, 21177, 25883, 39897, 50499, 61721, 72943, 77649, 185163, 218829, 232947, 555489, 656487, 802373, 2407119, 7221357]

約数ペア:

[(1, 7221357), (3, 2407119), (9, 802373), (11, 656487), (13, 555489), (31, 232947), (33, 218829), (39, 185163), (93, 77649), (99, 72943), (117, 61721), (143, 50499), (181, 39897), (279, 25883), (341, 21177), (403, 17919), (429, 16833), (543, 13299), (1023, 7059), (1209, 5973), (1287, 5611), (1629, 4433), (1991, 3627), (2353, 3069)]