42945309

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:487

約数の個数: 40

約数和(自身を含む): 70660128

約数和(自身を除く): 27714819

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 157, 297, 307, 471, 891, 921, 1413, 1727, 2763, 3377, 4239, 5181, 8289, 10131, 12717, 15543, 24867, 30393, 46629, 48199, 91179, 139887, 144597, 273537, 433791, 530189, 1301373, 1590567, 3904119, 4771701, 14315103, 42945309]

約数ペア:

[(1, 42945309), (3, 14315103), (9, 4771701), (11, 3904119), (27, 1590567), (33, 1301373), (81, 530189), (99, 433791), (157, 273537), (297, 144597), (307, 139887), (471, 91179), (891, 48199), (921, 46629), (1413, 30393), (1727, 24867), (2763, 15543), (3377, 12717), (4239, 10131), (5181, 8289)]