2505945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 4402944

約数和(自身を除く): 1896999

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 181, 195, 213, 355, 543, 905, 923, 1065, 2353, 2715, 2769, 4615, 7059, 11765, 12851, 13845, 35295, 38553, 64255, 167063, 192765, 501189, 835315, 2505945]

約数ペア:

[(1, 2505945), (3, 835315), (5, 501189), (13, 192765), (15, 167063), (39, 64255), (65, 38553), (71, 35295), (181, 13845), (195, 12851), (213, 11765), (355, 7059), (543, 4615), (905, 2769), (923, 2715), (1065, 2353)]