30028887

素因数分解:

$3^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:481

約数の個数: 40

約数和(自身を含む): 51714432

約数和(自身を除く): 21685545

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 211, 251, 567, 633, 753, 1477, 1757, 1899, 2259, 4431, 5271, 5697, 6777, 13293, 15813, 17091, 20331, 39879, 47439, 52961, 119637, 142317, 158883, 370727, 476649, 1112181, 1429947, 3336543, 4289841, 10009629, 30028887]

約数ペア:

[(1, 30028887), (3, 10009629), (7, 4289841), (9, 3336543), (21, 1429947), (27, 1112181), (63, 476649), (81, 370727), (189, 158883), (211, 142317), (251, 119637), (567, 52961), (633, 47439), (753, 39879), (1477, 20331), (1757, 17091), (1899, 15813), (2259, 13293), (4431, 6777), (5271, 5697)]