163920885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1471}}^1$

素因数の和:1538

約数の個数: 64

約数和(自身を含む): 305233920

約数和(自身を除く): 141313035

約数列:

[1, 3, 5, 15, 17, 19, 23, 51, 57, 69, 85, 95, 115, 255, 285, 323, 345, 391, 437, 969, 1173, 1311, 1471, 1615, 1955, 2185, 4413, 4845, 5865, 6555, 7355, 7429, 22065, 22287, 25007, 27949, 33833, 37145, 75021, 83847, 101499, 111435, 125035, 139745, 169165, 375105, 419235, 475133, 507495, 575161, 642827, 1425399, 1725483, 1928481, 2375665, 2875805, 3214135, 7126995, 8627415, 9642405, 10928059, 32784177, 54640295, 163920885]

約数ペア:

[(1, 163920885), (3, 54640295), (5, 32784177), (15, 10928059), (17, 9642405), (19, 8627415), (23, 7126995), (51, 3214135), (57, 2875805), (69, 2375665), (85, 1928481), (95, 1725483), (115, 1425399), (255, 642827), (285, 575161), (323, 507495), (345, 475133), (391, 419235), (437, 375105), (969, 169165), (1173, 139745), (1311, 125035), (1471, 111435), (1615, 101499), (1955, 83847), (2185, 75021), (4413, 37145), (4845, 33833), (5865, 27949), (6555, 25007), (7355, 22287), (7429, 22065)]