17955513

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{3889}}^1$

素因数の和:3923

約数の個数: 24

約数和(自身を含む): 28319200

約数和(自身を除く): 10363687

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 3889, 4617, 11667, 35001, 73891, 105003, 221673, 315009, 665019, 945027, 1995057, 5985171, 17955513]

約数ペア:

[(1, 17955513), (3, 5985171), (9, 1995057), (19, 945027), (27, 665019), (57, 315009), (81, 221673), (171, 105003), (243, 73891), (513, 35001), (1539, 11667), (3889, 4617)]