71784945

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{743}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 132312960

約数和(自身を除く): 60528015

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 113, 171, 285, 339, 565, 743, 855, 1017, 1695, 2147, 2229, 3715, 5085, 6441, 6687, 10735, 11145, 14117, 19323, 32205, 33435, 42351, 70585, 83959, 96615, 127053, 211755, 251877, 419795, 635265, 755631, 1259385, 1595221, 3778155, 4785663, 7976105, 14356989, 23928315, 71784945]

約数ペア:

[(1, 71784945), (3, 23928315), (5, 14356989), (9, 7976105), (15, 4785663), (19, 3778155), (45, 1595221), (57, 1259385), (95, 755631), (113, 635265), (171, 419795), (285, 251877), (339, 211755), (565, 127053), (743, 96615), (855, 83959), (1017, 70585), (1695, 42351), (2147, 33435), (2229, 32205), (3715, 19323), (5085, 14117), (6441, 11145), (6687, 10735)]