618320661

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{919}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 1006848000

約数和(自身を除く): 388527339

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 199, 483, 597, 919, 1127, 1393, 2757, 3381, 4179, 4577, 6433, 9751, 13731, 19299, 21137, 29253, 32039, 45031, 63411, 96117, 135093, 147959, 182881, 224273, 443877, 548643, 672819, 1035713, 1280167, 3107139, 3840501, 4206263, 8961169, 12618789, 26883507, 29443841, 88331523, 206106887, 618320661]

約数ペア:

[(1, 618320661), (3, 206106887), (7, 88331523), (21, 29443841), (23, 26883507), (49, 12618789), (69, 8961169), (147, 4206263), (161, 3840501), (199, 3107139), (483, 1280167), (597, 1035713), (919, 672819), (1127, 548643), (1393, 443877), (2757, 224273), (3381, 182881), (4179, 147959), (4577, 135093), (6433, 96117), (9751, 63411), (13731, 45031), (19299, 32039), (21137, 29253)]