2105865

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 3945600

約数和(自身を除く): 1839735

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 821, 855, 2463, 2565, 4105, 7389, 12315, 15599, 22167, 36945, 46797, 77995, 110835, 140391, 233985, 421173, 701955, 2105865]

約数ペア:

[(1, 2105865), (3, 701955), (5, 421173), (9, 233985), (15, 140391), (19, 110835), (27, 77995), (45, 46797), (57, 36945), (95, 22167), (135, 15599), (171, 12315), (285, 7389), (513, 4105), (821, 2565), (855, 2463)]