19951029

素因数分解:

$3^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 35188608

約数和(自身を除く): 15237579

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 243, 259, 317, 333, 567, 777, 951, 999, 1701, 2219, 2331, 2853, 2997, 6657, 6993, 8559, 8991, 11729, 19971, 20979, 25677, 35187, 59913, 62937, 77031, 82103, 105561, 179739, 246309, 316683, 539217, 738927, 950049, 2216781, 2850147, 6650343, 19951029]

約数ペア:

[(1, 19951029), (3, 6650343), (7, 2850147), (9, 2216781), (21, 950049), (27, 738927), (37, 539217), (63, 316683), (81, 246309), (111, 179739), (189, 105561), (243, 82103), (259, 77031), (317, 62937), (333, 59913), (567, 35187), (777, 25677), (951, 20979), (999, 19971), (1701, 11729), (2219, 8991), (2331, 8559), (2853, 6993), (2997, 6657)]