28170165

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2089}}^1$

素因数の和:2157

約数の個数: 32

約数和(自身を含む): 48153600

約数和(自身を除く): 19983435

約数列:

[1, 3, 5, 15, 29, 31, 87, 93, 145, 155, 435, 465, 899, 2089, 2697, 4495, 6267, 10445, 13485, 31335, 60581, 64759, 181743, 194277, 302905, 323795, 908715, 971385, 1878011, 5634033, 9390055, 28170165]

約数ペア:

[(1, 28170165), (3, 9390055), (5, 5634033), (15, 1878011), (29, 971385), (31, 908715), (87, 323795), (93, 302905), (145, 194277), (155, 181743), (435, 64759), (465, 60581), (899, 31335), (2089, 13485), (2697, 10445), (4495, 6267)]