81869667

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 123863040

約数和(自身を除く): 41993373

約数列:

[1, 3, 11, 31, 33, 93, 191, 341, 419, 573, 1023, 1257, 2101, 4609, 5921, 6303, 12989, 13827, 17763, 38967, 65131, 80029, 142879, 195393, 240087, 428637, 880319, 2480899, 2640957, 7442697, 27289889, 81869667]

約数ペア:

[(1, 81869667), (3, 27289889), (11, 7442697), (31, 2640957), (33, 2480899), (93, 880319), (191, 428637), (341, 240087), (419, 195393), (573, 142879), (1023, 80029), (1257, 65131), (2101, 38967), (4609, 17763), (5921, 13827), (6303, 12989)]