128580915

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{821}}^1$

素因数の和:1079

約数の個数: 32

約数和(自身を含む): 210931776

約数和(自身を除く): 82350861

約数列:

[1, 3, 5, 15, 53, 159, 197, 265, 591, 795, 821, 985, 2463, 2955, 4105, 10441, 12315, 31323, 43513, 52205, 130539, 156615, 161737, 217565, 485211, 652695, 808685, 2426055, 8572061, 25716183, 42860305, 128580915]

約数ペア:

[(1, 128580915), (3, 42860305), (5, 25716183), (15, 8572061), (53, 2426055), (159, 808685), (197, 652695), (265, 485211), (591, 217565), (795, 161737), (821, 156615), (985, 130539), (2463, 52205), (2955, 43513), (4105, 31323), (10441, 12315)]