31221465

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 59996160

約数和(自身を除く): 28774695

約数列:

[1, 3, 5, 11, 15, 19, 23, 33, 55, 57, 69, 95, 115, 165, 209, 253, 285, 345, 433, 437, 627, 759, 1045, 1265, 1299, 1311, 2165, 2185, 3135, 3795, 4763, 4807, 6495, 6555, 8227, 9959, 14289, 14421, 23815, 24035, 24681, 29877, 41135, 49795, 71445, 72105, 90497, 109549, 123405, 149385, 189221, 271491, 328647, 452485, 547745, 567663, 946105, 1357455, 1643235, 2081431, 2838315, 6244293, 10407155, 31221465]

約数ペア:

[(1, 31221465), (3, 10407155), (5, 6244293), (11, 2838315), (15, 2081431), (19, 1643235), (23, 1357455), (33, 946105), (55, 567663), (57, 547745), (69, 452485), (95, 328647), (115, 271491), (165, 189221), (209, 149385), (253, 123405), (285, 109549), (345, 90497), (433, 72105), (437, 71445), (627, 49795), (759, 41135), (1045, 29877), (1265, 24681), (1299, 24035), (1311, 23815), (2165, 14421), (2185, 14289), (3135, 9959), (3795, 8227), (4763, 6555), (4807, 6495)]