121181949

素因数分解:

$3^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{2521}}^1$

素因数の和:2650

約数の個数: 36

約数和(自身を含む): 205568220

約数和(自身を除く): 84386271

約数列:

[1, 3, 7, 9, 21, 49, 63, 109, 147, 327, 441, 763, 981, 2289, 2521, 5341, 6867, 7563, 16023, 17647, 22689, 48069, 52941, 123529, 158823, 274789, 370587, 824367, 1111761, 1923523, 2473101, 5770569, 13464661, 17311707, 40393983, 121181949]

約数ペア:

[(1, 121181949), (3, 40393983), (7, 17311707), (9, 13464661), (21, 5770569), (49, 2473101), (63, 1923523), (109, 1111761), (147, 824367), (327, 370587), (441, 274789), (763, 158823), (981, 123529), (2289, 52941), (2521, 48069), (5341, 22689), (6867, 17647), (7563, 16023)]