28673985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4889}}^1$

素因数の和:4937

約数の個数: 32

約数和(自身を含む): 50699520

約数和(自身を除く): 22025535

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 4889, 5865, 14667, 24445, 73335, 83113, 112447, 249339, 337341, 415565, 562235, 1246695, 1686705, 1911599, 5734797, 9557995, 28673985]

約数ペア:

[(1, 28673985), (3, 9557995), (5, 5734797), (15, 1911599), (17, 1686705), (23, 1246695), (51, 562235), (69, 415565), (85, 337341), (115, 249339), (255, 112447), (345, 83113), (391, 73335), (1173, 24445), (1955, 14667), (4889, 5865)]