281488329

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1951}}^1$

素因数の和:2038

約数の個数: 48

約数和(自身を含む): 460422144

約数和(自身を除く): 178933815

約数列:

[1, 3, 9, 17, 23, 41, 51, 69, 123, 153, 207, 369, 391, 697, 943, 1173, 1951, 2091, 2829, 3519, 5853, 6273, 8487, 16031, 17559, 33167, 44873, 48093, 79991, 99501, 134619, 144279, 239973, 298503, 403857, 719919, 762841, 1359847, 1839793, 2288523, 4079541, 5519379, 6865569, 12238623, 16558137, 31276481, 93829443, 281488329]

約数ペア:

[(1, 281488329), (3, 93829443), (9, 31276481), (17, 16558137), (23, 12238623), (41, 6865569), (51, 5519379), (69, 4079541), (123, 2288523), (153, 1839793), (207, 1359847), (369, 762841), (391, 719919), (697, 403857), (943, 298503), (1173, 239973), (1951, 144279), (2091, 134619), (2829, 99501), (3519, 79991), (5853, 48093), (6273, 44873), (8487, 33167), (16031, 17559)]