1088217

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 1729728

約数和(自身を除く): 641511

約数列:

[1, 3, 9, 13, 39, 71, 117, 131, 213, 393, 639, 923, 1179, 1703, 2769, 5109, 8307, 9301, 15327, 27903, 83709, 120913, 362739, 1088217]

約数ペア:

[(1, 1088217), (3, 362739), (9, 120913), (13, 83709), (39, 27903), (71, 15327), (117, 9301), (131, 8307), (213, 5109), (393, 2769), (639, 1703), (923, 1179)]