278360640015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11239}}^1\times {\mathrm{97127}}^1$

素因数の和:108391

約数の個数: 32

約数和(自身を含む): 471622487040

約数和(自身を除く): 193261847025

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 11239, 33717, 56195, 97127, 168585, 191063, 291381, 485635, 573189, 955315, 1456905, 1651159, 2865945, 4953477, 8255795, 24767385, 1091610353, 3274831059, 5458051765, 16374155295, 18557376001, 55672128003, 92786880005, 278360640015]

約数ペア:

[(1, 278360640015), (3, 92786880005), (5, 55672128003), (15, 18557376001), (17, 16374155295), (51, 5458051765), (85, 3274831059), (255, 1091610353), (11239, 24767385), (33717, 8255795), (56195, 4953477), (97127, 2865945), (168585, 1651159), (191063, 1456905), (291381, 955315), (485635, 573189)]