71310141

素因数分解:

$3^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1601}}^1$

素因数の和:1722

約数の個数: 36

約数和(自身を含む): 121082364

約数和(自身を除く): 49772223

約数列:

[1, 3, 7, 9, 21, 49, 63, 101, 147, 303, 441, 707, 909, 1601, 2121, 4803, 4949, 6363, 11207, 14409, 14847, 33621, 44541, 78449, 100863, 161701, 235347, 485103, 706041, 1131907, 1455309, 3395721, 7923349, 10187163, 23770047, 71310141]

約数ペア:

[(1, 71310141), (3, 23770047), (7, 10187163), (9, 7923349), (21, 3395721), (49, 1455309), (63, 1131907), (101, 706041), (147, 485103), (303, 235347), (441, 161701), (707, 100863), (909, 78449), (1601, 44541), (2121, 33621), (4803, 14847), (4949, 14409), (6363, 11207)]