251236479

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{3343}}^1$

素因数の和:3447

約数の個数: 32

約数和(自身を含む): 377524224

約数和(自身を除く): 126287745

約数列:

[1, 3, 13, 39, 41, 47, 123, 141, 533, 611, 1599, 1833, 1927, 3343, 5781, 10029, 25051, 43459, 75153, 130377, 137063, 157121, 411189, 471363, 1781819, 2042573, 5345457, 6127719, 6441961, 19325883, 83745493, 251236479]

約数ペア:

[(1, 251236479), (3, 83745493), (13, 19325883), (39, 6441961), (41, 6127719), (47, 5345457), (123, 2042573), (141, 1781819), (533, 471363), (611, 411189), (1599, 157121), (1833, 137063), (1927, 130377), (3343, 75153), (5781, 43459), (10029, 25051)]