4007661

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 6292800

約数和(自身を除く): 2285139

約数列:

[1, 3, 7, 21, 49, 137, 147, 199, 411, 597, 959, 1393, 2877, 4179, 6713, 9751, 20139, 27263, 29253, 81789, 190841, 572523, 1335887, 4007661]

約数ペア:

[(1, 4007661), (3, 1335887), (7, 572523), (21, 190841), (49, 81789), (137, 29253), (147, 27263), (199, 20139), (411, 9751), (597, 6713), (959, 4179), (1393, 2877)]