128530647

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{829}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 223741440

約数和(自身を除く): 95210793

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 107, 161, 207, 321, 483, 749, 829, 963, 1449, 2247, 2461, 2487, 5803, 6741, 7383, 7461, 17227, 17409, 19067, 22149, 51681, 52227, 57201, 88703, 133469, 155043, 171603, 266109, 400407, 620921, 798327, 1201221, 1862763, 2040169, 5588289, 6120507, 14281183, 18361521, 42843549, 128530647]

約数ペア:

[(1, 128530647), (3, 42843549), (7, 18361521), (9, 14281183), (21, 6120507), (23, 5588289), (63, 2040169), (69, 1862763), (107, 1201221), (161, 798327), (207, 620921), (321, 400407), (483, 266109), (749, 171603), (829, 155043), (963, 133469), (1449, 88703), (2247, 57201), (2461, 52227), (2487, 51681), (5803, 22149), (6741, 19067), (7383, 17409), (7461, 17227)]