18288585

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{6451}}^1$

素因数の和:6475

約数の個数: 40

約数和(自身を含む): 37473216

約数和(自身を除く): 19184631

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 6451, 19353, 32255, 45157, 58059, 96765, 135471, 174177, 225785, 290295, 406413, 522531, 677355, 870885, 1219239, 2032065, 2612655, 3657717, 6096195, 18288585]

約数ペア:

[(1, 18288585), (3, 6096195), (5, 3657717), (7, 2612655), (9, 2032065), (15, 1219239), (21, 870885), (27, 677355), (35, 522531), (45, 406413), (63, 290295), (81, 225785), (105, 174177), (135, 135471), (189, 96765), (315, 58059), (405, 45157), (567, 32255), (945, 19353), (2835, 6451)]