81314115

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{1747}}^1$

素因数の和:1891

約数の個数: 32

約数和(自身を含む): 135924480

約数和(自身を除く): 54610365

約数列:

[1, 3, 5, 15, 29, 87, 107, 145, 321, 435, 535, 1605, 1747, 3103, 5241, 8735, 9309, 15515, 26205, 46545, 50663, 151989, 186929, 253315, 560787, 759945, 934645, 2803935, 5420941, 16262823, 27104705, 81314115]

約数ペア:

[(1, 81314115), (3, 27104705), (5, 16262823), (15, 5420941), (29, 2803935), (87, 934645), (107, 759945), (145, 560787), (321, 253315), (435, 186929), (535, 151989), (1605, 50663), (1747, 46545), (3103, 26205), (5241, 15515), (8735, 9309)]