3989505

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 7056000

約数和(自身を除く): 3066495

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 499, 533, 615, 1497, 1599, 2495, 2665, 6487, 7485, 7995, 19461, 20459, 32435, 61377, 97305, 102295, 265967, 306885, 797901, 1329835, 3989505]

約数ペア:

[(1, 3989505), (3, 1329835), (5, 797901), (13, 306885), (15, 265967), (39, 102295), (41, 97305), (65, 61377), (123, 32435), (195, 20459), (205, 19461), (499, 7995), (533, 7485), (615, 6487), (1497, 2665), (1599, 2495)]