30018519

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 48432384

約数和(自身を除く): 18413865

約数列:

[1, 3, 9, 23, 27, 41, 69, 81, 123, 131, 207, 243, 369, 393, 621, 943, 1107, 1179, 1863, 2829, 3013, 3321, 3537, 5371, 5589, 8487, 9039, 9963, 10611, 16113, 25461, 27117, 31833, 48339, 76383, 81351, 123533, 145017, 229149, 244053, 370599, 435051, 732159, 1111797, 1305153, 3335391, 10006173, 30018519]

約数ペア:

[(1, 30018519), (3, 10006173), (9, 3335391), (23, 1305153), (27, 1111797), (41, 732159), (69, 435051), (81, 370599), (123, 244053), (131, 229149), (207, 145017), (243, 123533), (369, 81351), (393, 76383), (621, 48339), (943, 31833), (1107, 27117), (1179, 25461), (1863, 16113), (2829, 10611), (3013, 9963), (3321, 9039), (3537, 8487), (5371, 5589)]