221775315

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{1471}}^1$

素因数の和:1544

約数の個数: 48

約数和(自身を含む): 390727680

約数和(自身を除く): 168952365

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 529, 1311, 1471, 1587, 2185, 2645, 4413, 6555, 7355, 7935, 10051, 22065, 27949, 30153, 33833, 50255, 83847, 101499, 139745, 150765, 169165, 419235, 507495, 642827, 778159, 1928481, 2334477, 3214135, 3890795, 9642405, 11672385, 14785021, 44355063, 73925105, 221775315]

約数ペア:

[(1, 221775315), (3, 73925105), (5, 44355063), (15, 14785021), (19, 11672385), (23, 9642405), (57, 3890795), (69, 3214135), (95, 2334477), (115, 1928481), (285, 778159), (345, 642827), (437, 507495), (529, 419235), (1311, 169165), (1471, 150765), (1587, 139745), (2185, 101499), (2645, 83847), (4413, 50255), (6555, 33833), (7355, 30153), (7935, 27949), (10051, 22065)]