25101891591

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8999}}^1\times {\mathrm{6991}}^1$

素因数の和:16019

約数の個数: 32

約数和(自身を含む): 40273920000

約数和(自身を除く): 15172028409

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 6991, 8999, 20973, 26997, 48937, 62993, 132829, 146811, 170981, 188979, 398487, 512943, 929803, 1196867, 2789409, 3590601, 62912009, 188736027, 440384063, 1195328171, 1321152189, 3585984513, 8367297197, 25101891591]

約数ペア:

[(1, 25101891591), (3, 8367297197), (7, 3585984513), (19, 1321152189), (21, 1195328171), (57, 440384063), (133, 188736027), (399, 62912009), (6991, 3590601), (8999, 2789409), (20973, 1196867), (26997, 929803), (48937, 512943), (62993, 398487), (132829, 188979), (146811, 170981)]