331355871

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20789}}^1$

素因数の和:20836

約数の個数: 48

約数和(自身を含む): 622702080

約数和(自身を除く): 291346209

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 161, 207, 231, 253, 483, 693, 759, 1449, 1771, 2277, 5313, 15939, 20789, 62367, 145523, 187101, 228679, 436569, 478147, 686037, 1309707, 1434441, 1600753, 2058111, 3347029, 4303323, 4802259, 5259617, 10041087, 14406777, 15778851, 30123261, 36817319, 47336553, 110451957, 331355871]

約数ペア:

[(1, 331355871), (3, 110451957), (7, 47336553), (9, 36817319), (11, 30123261), (21, 15778851), (23, 14406777), (33, 10041087), (63, 5259617), (69, 4802259), (77, 4303323), (99, 3347029), (161, 2058111), (207, 1600753), (231, 1434441), (253, 1309707), (483, 686037), (693, 478147), (759, 436569), (1449, 228679), (1771, 187101), (2277, 145523), (5313, 62367), (15939, 20789)]