9780355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 13716864

約数和(自身を除く): 3936509

約数列:

[1, 5, 13, 17, 53, 65, 85, 167, 221, 265, 689, 835, 901, 1105, 2171, 2839, 3445, 4505, 8851, 10855, 11713, 14195, 36907, 44255, 58565, 115063, 150467, 184535, 575315, 752335, 1956071, 9780355]

約数ペア:

[(1, 9780355), (5, 1956071), (13, 752335), (17, 575315), (53, 184535), (65, 150467), (85, 115063), (167, 58565), (221, 44255), (265, 36907), (689, 14195), (835, 11713), (901, 10855), (1105, 8851), (2171, 4505), (2839, 3445)]