25930653

素因数分解:

$3^1\times 7^2\times {\mathrm{419}}^1\times {\mathrm{421}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 40410720

約数和(自身を除く): 14480067

約数列:

[1, 3, 7, 21, 49, 147, 419, 421, 1257, 1263, 2933, 2947, 8799, 8841, 20531, 20629, 61593, 61887, 176399, 529197, 1234793, 3704379, 8643551, 25930653]

約数ペア:

[(1, 25930653), (3, 8643551), (7, 3704379), (21, 1234793), (49, 529197), (147, 176399), (419, 61887), (421, 61593), (1257, 20629), (1263, 20531), (2933, 8841), (2947, 8799)]