13211025

素因数分解:

$3^1\times 5^2\times {\mathrm{353}}^1\times {\mathrm{499}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 21948000

約数和(自身を除く): 8736975

約数列:

[1, 3, 5, 15, 25, 75, 353, 499, 1059, 1497, 1765, 2495, 5295, 7485, 8825, 12475, 26475, 37425, 176147, 528441, 880735, 2642205, 4403675, 13211025]

約数ペア:

[(1, 13211025), (3, 4403675), (5, 2642205), (15, 880735), (25, 528441), (75, 176147), (353, 37425), (499, 26475), (1059, 12475), (1497, 8825), (1765, 7485), (2495, 5295)]