71155791

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{3433}}^1$

素因数の和:3500

約数の個数: 36

約数和(自身を含む): 122140512

約数和(自身を除く): 50984721

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 2303, 2961, 3433, 6909, 10299, 20727, 24031, 30897, 72093, 161351, 168217, 216279, 484053, 504651, 1129457, 1452159, 1513953, 3388371, 7906199, 10165113, 23718597, 71155791]

約数ペア:

[(1, 71155791), (3, 23718597), (7, 10165113), (9, 7906199), (21, 3388371), (47, 1513953), (49, 1452159), (63, 1129457), (141, 504651), (147, 484053), (329, 216279), (423, 168217), (441, 161351), (987, 72093), (2303, 30897), (2961, 24031), (3433, 20727), (6909, 10299)]