2581365

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 4478976

約数和(自身を除く): 1897611

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 191, 255, 265, 573, 795, 901, 955, 2703, 2865, 3247, 4505, 9741, 10123, 13515, 16235, 30369, 48705, 50615, 151845, 172091, 516273, 860455, 2581365]

約数ペア:

[(1, 2581365), (3, 860455), (5, 516273), (15, 172091), (17, 151845), (51, 50615), (53, 48705), (85, 30369), (159, 16235), (191, 13515), (255, 10123), (265, 9741), (573, 4505), (795, 3247), (901, 2865), (955, 2703)]