30530871

素因数分解:

$3^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 53844480

約数和(自身を除く): 23313609

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 141, 147, 189, 329, 423, 441, 491, 987, 1269, 1323, 1473, 2303, 2961, 3437, 4419, 6909, 8883, 10311, 13257, 20727, 23077, 24059, 30933, 62181, 69231, 72177, 92799, 161539, 207693, 216531, 484617, 623079, 649593, 1130773, 1453851, 3392319, 4361553, 10176957, 30530871]

約数ペア:

[(1, 30530871), (3, 10176957), (7, 4361553), (9, 3392319), (21, 1453851), (27, 1130773), (47, 649593), (49, 623079), (63, 484617), (141, 216531), (147, 207693), (189, 161539), (329, 92799), (423, 72177), (441, 69231), (491, 62181), (987, 30933), (1269, 24059), (1323, 23077), (1473, 20727), (2303, 13257), (2961, 10311), (3437, 8883), (4419, 6909)]