81834225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{353}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 148544064

約数和(自身を除く): 66709839

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 281, 353, 825, 843, 1059, 1405, 1765, 3091, 3883, 4215, 5295, 7025, 8825, 9273, 11649, 15455, 19415, 21075, 26475, 46365, 58245, 77275, 97075, 99193, 231825, 291225, 297579, 495965, 1091123, 1487895, 2479825, 3273369, 5455615, 7439475, 16366845, 27278075, 81834225]

約数ペア:

[(1, 81834225), (3, 27278075), (5, 16366845), (11, 7439475), (15, 5455615), (25, 3273369), (33, 2479825), (55, 1487895), (75, 1091123), (165, 495965), (275, 297579), (281, 291225), (353, 231825), (825, 99193), (843, 97075), (1059, 77275), (1405, 58245), (1765, 46365), (3091, 26475), (3883, 21075), (4215, 19415), (5295, 15455), (7025, 11649), (8825, 9273)]