178873023

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{1427}}^1$

素因数の和:1611

約数の個数: 32

約数和(自身を含む): 280756224

約数和(自身を除く): 101883201

約数列:

[1, 3, 7, 21, 47, 127, 141, 329, 381, 889, 987, 1427, 2667, 4281, 5969, 9989, 17907, 29967, 41783, 67069, 125349, 181229, 201207, 469483, 543687, 1268603, 1408449, 3805809, 8517763, 25553289, 59624341, 178873023]

約数ペア:

[(1, 178873023), (3, 59624341), (7, 25553289), (21, 8517763), (47, 3805809), (127, 1408449), (141, 1268603), (329, 543687), (381, 469483), (889, 201207), (987, 181229), (1427, 125349), (2667, 67069), (4281, 41783), (5969, 29967), (9989, 17907)]