81123515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{4019}}^1$

素因数の和:4402

約数の個数: 16

約数和(自身を含む): 106513920

約数和(自身を除く): 25390405

約数列:

[1, 5, 11, 55, 367, 1835, 4019, 4037, 20095, 20185, 44209, 221045, 1474973, 7374865, 16224703, 81123515]

約数ペア:

[(1, 81123515), (5, 16224703), (11, 7374865), (55, 1474973), (367, 221045), (1835, 44209), (4019, 20185), (4037, 20095)]