25006779

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 46126080

約数和(自身を除く): 21119301

約数列:

[1, 3, 7, 9, 17, 21, 27, 43, 51, 63, 119, 129, 153, 181, 189, 301, 357, 387, 459, 543, 731, 903, 1071, 1161, 1267, 1629, 2193, 2709, 3077, 3213, 3801, 4887, 5117, 6579, 7783, 8127, 9231, 11403, 15351, 19737, 21539, 23349, 27693, 34209, 46053, 54481, 64617, 70047, 83079, 132311, 138159, 163443, 193851, 210141, 396933, 490329, 581553, 926177, 1190799, 1470987, 2778531, 3572397, 8335593, 25006779]

約数ペア:

[(1, 25006779), (3, 8335593), (7, 3572397), (9, 2778531), (17, 1470987), (21, 1190799), (27, 926177), (43, 581553), (51, 490329), (63, 396933), (119, 210141), (129, 193851), (153, 163443), (181, 138159), (189, 132311), (301, 83079), (357, 70047), (387, 64617), (459, 54481), (543, 46053), (731, 34209), (903, 27693), (1071, 23349), (1161, 21539), (1267, 19737), (1629, 15351), (2193, 11403), (2709, 9231), (3077, 8127), (3213, 7783), (3801, 6579), (4887, 5117)]