21989014785

素因数分解:

$3^3\times 5^1\times {\mathrm{2311}}^1\times {\mathrm{70481}}^1$

素因数の和:72806

約数の個数: 32

約数和(自身を含む): 39109052160

約数和(自身を除く): 17120037375

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 2311, 6933, 11555, 20799, 34665, 62397, 70481, 103995, 211443, 311985, 352405, 634329, 1057215, 1902987, 3171645, 9514935, 162881591, 488644773, 814407955, 1465934319, 2443223865, 4397802957, 7329671595, 21989014785]

約数ペア:

[(1, 21989014785), (3, 7329671595), (5, 4397802957), (9, 2443223865), (15, 1465934319), (27, 814407955), (45, 488644773), (135, 162881591), (2311, 9514935), (6933, 3171645), (11555, 1902987), (20799, 1057215), (34665, 634329), (62397, 352405), (70481, 311985), (103995, 211443)]