25171713

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1237}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 46350720

約数和(自身を除く): 21179007

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 323, 357, 399, 969, 1071, 1197, 1237, 2261, 2907, 3711, 6783, 8659, 11133, 20349, 21029, 23503, 25977, 63087, 70509, 77931, 147203, 164521, 189261, 211527, 399551, 441609, 493563, 1198653, 1324827, 1480689, 2796857, 3595959, 8390571, 25171713]

約数ペア:

[(1, 25171713), (3, 8390571), (7, 3595959), (9, 2796857), (17, 1480689), (19, 1324827), (21, 1198653), (51, 493563), (57, 441609), (63, 399551), (119, 211527), (133, 189261), (153, 164521), (171, 147203), (323, 77931), (357, 70509), (399, 63087), (969, 25977), (1071, 23503), (1197, 21029), (1237, 20349), (2261, 11133), (2907, 8659), (3711, 6783)]