30890727

素因数分解:

$3^4\times 7^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:250

約数の個数: 60

約数和(自身を含む): 55231176

約数和(自身を除く): 24340449

約数列:

[1, 3, 7, 9, 21, 27, 43, 49, 63, 81, 129, 147, 181, 189, 301, 387, 441, 543, 567, 903, 1161, 1267, 1323, 1629, 2107, 2709, 3483, 3801, 3969, 4887, 6321, 7783, 8127, 8869, 11403, 14661, 18963, 23349, 24381, 26607, 34209, 54481, 56889, 70047, 79821, 102627, 163443, 170667, 210141, 239463, 381367, 490329, 630423, 718389, 1144101, 1470987, 3432303, 4412961, 10296909, 30890727]

約数ペア:

[(1, 30890727), (3, 10296909), (7, 4412961), (9, 3432303), (21, 1470987), (27, 1144101), (43, 718389), (49, 630423), (63, 490329), (81, 381367), (129, 239463), (147, 210141), (181, 170667), (189, 163443), (301, 102627), (387, 79821), (441, 70047), (543, 56889), (567, 54481), (903, 34209), (1161, 26607), (1267, 24381), (1323, 23349), (1629, 18963), (2107, 14661), (2709, 11403), (3483, 8869), (3801, 8127), (3969, 7783), (4887, 6321)]