81011115

素因数分解:

$3^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1901}}^1$

素因数の和:2859

約数の個数: 24

約数和(自身を含む): 140641488

約数和(自身を除く): 59630373

約数列:

[1, 3, 5, 9, 15, 45, 947, 1901, 2841, 4735, 5703, 8523, 9505, 14205, 17109, 28515, 42615, 85545, 1800247, 5400741, 9001235, 16202223, 27003705, 81011115]

約数ペア:

[(1, 81011115), (3, 27003705), (5, 16202223), (9, 9001235), (15, 5400741), (45, 1800247), (947, 85545), (1901, 42615), (2841, 28515), (4735, 17109), (5703, 14205), (8523, 9505)]