131570271

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{16979}}^1$

素因数の和:17036

約数の個数: 32

約数和(自身を含む): 228211200

約数和(自身を除く): 96640929

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2583, 7749, 16979, 50937, 118853, 152811, 356559, 458433, 696139, 1069677, 2088417, 3209031, 4872973, 6265251, 14618919, 18795753, 43856757, 131570271]

約数ペア:

[(1, 131570271), (3, 43856757), (7, 18795753), (9, 14618919), (21, 6265251), (27, 4872973), (41, 3209031), (63, 2088417), (123, 1069677), (189, 696139), (287, 458433), (369, 356559), (861, 152811), (1107, 118853), (2583, 50937), (7749, 16979)]