25540137

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7949}}^1$

素因数の和:7982

約数の個数: 32

約数和(自身を含む): 45792000

約数和(自身を除く): 20251863

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 7949, 23847, 55643, 71541, 135133, 166929, 214623, 405399, 500787, 945931, 1216197, 1502361, 2837793, 3648591, 8513379, 25540137]

約数ペア:

[(1, 25540137), (3, 8513379), (7, 3648591), (9, 2837793), (17, 1502361), (21, 1216197), (27, 945931), (51, 500787), (63, 405399), (119, 214623), (153, 166929), (189, 135133), (357, 71541), (459, 55643), (1071, 23847), (3213, 7949)]