81743985

素因数分解:

$3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3541}}^1$

素因数の和:3580

約数の個数: 48

約数和(自身を含む): 154714560

約数和(自身を除く): 72970575

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 243, 285, 405, 513, 855, 1215, 1539, 2565, 3541, 4617, 7695, 10623, 17705, 23085, 31869, 53115, 67279, 95607, 159345, 201837, 286821, 336395, 478035, 605511, 860463, 1009185, 1434105, 1816533, 3027555, 4302315, 5449599, 9082665, 16348797, 27247995, 81743985]

約数ペア:

[(1, 81743985), (3, 27247995), (5, 16348797), (9, 9082665), (15, 5449599), (19, 4302315), (27, 3027555), (45, 1816533), (57, 1434105), (81, 1009185), (95, 860463), (135, 605511), (171, 478035), (243, 336395), (285, 286821), (405, 201837), (513, 159345), (855, 95607), (1215, 67279), (1539, 53115), (2565, 31869), (3541, 23085), (4617, 17705), (7695, 10623)]